Microchip Technology, Inc. Datasheets for IC Switching Voltage Regulators

IC switching voltage regulators are integrated circuits (ICs) that store energy in an inductor, transformer, or capacitor and then use this storage device to transfer energy from the input to the output in discrete packets over a low-resistance switch.
IC Switching Voltage Regulators: Learn more

Product Name Notes
NRND -- MIC22600 Not Recommended for New Designs; see MIC22705YML. The MIC22600 is a high-efficiency, 6A, integrated switch, synchronous buck (step-down) regulator. The MIC22600 is optimized for highest efficiency and achieves more than...
1MHz Low Start-up Voltage Synchronous Boost LED Constant Current Regulator -- MCP1643 MCP1643 is a compact, high-efficiency, fixed frequency, synchronous step-up LED driver with constant current, that operates from one and two-cell alkaline and NiMH/NiCd batteries. The device can also drive two...
5A Pin-Programmable Buck Converter -- MIC24046 MIC24046 is a pin-programmable, high-efficiency, wide-input range, 5A, synchronous step-down regulator. The MIC24046 is perfectly suited for multiple-voltage rail application environments typically found in computing and telecommunication systems. It can...
Two Cell Boost Regulator -- MIC2570 MIC2570 is a micropower boost switching regulator that operates from two alkaline, two nickel-metal-hydride cells, or one lithium cell. The MIC2570 accepts a positive input voltage between 1.3V and 15V.
One Cell Boost Regulator -- MIC2571 MIC2571 is a micropower boost switching regulator that operates from one alkaline, nickel-metal-hydride cell, or lithium cell. The MIC2571 accepts a positive input voltage between 0.9V and 15V. Its typical...
1.4MHz 1A Synchronous Buck Regulator -- MCP1612 Microchip’s MCP1612 DC-to-DC converter offers the customer a compact and inexpensive method of efficiently converting battery and bus voltages to the lower voltages required by various circuits within their systems.
Adjustable Off-line Inductorless Switching Regulator -- SR086 SR086 is an inductorless switching regulator designed to operate directly from a rectified AC line. The operating principle is to turn on a pass transistor when the rectified AC is...
Adjustable Off-line Inductorless Switching Regulator -- SR087 SR087 is an inductorless switching regulator designed to operate directly from a rectified AC line. The operating principle is to turn on a pass transistor when the rectified AC is...
Capacitor-Coupled, Switched Shunt, (CCSS) Regulator -- SR10 SR10 is a non-isolated, capacitor-coupled, switched shunt regulator designed to operate directly from the AC line. Output voltage can be either fixed at 6.0V, 12V, or 24V using an internal...
0.5A Step-Down SMPS Regulator -- LM2574 The LM2574 family is a series of easy to use fixed and adjustable switching voltage regulators. The LM2574 contains all of the active circuitry necessary to construct a stepdown (buck)...
1A Step-Down SMPS Regulator -- LM2575 The LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, 12V, or 15V fixed...
3A Step-Down SMPS Regulator -- LM2576 The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, or 12V fixed output.
750kHz 500mA Synchronous PFM/PWM Buck Regulator w/Frequency Synchronization -- MCP1601 The MCP1601 is a synchronous Buck (step-down) switching regulator that can continuously supply 500mA of load current. This DC/DC converter can provide output voltages of 0.9V to Vin with an...
2MHz 500mA Synchronous PFM/PWM Buck Regulator w/Power Good -- MCP1602 The MCP1602 is a high efficient, fully integrated 500 mA synchronous buck regulator with a power-good monitor. The 2.7V to 5.5V input voltage range and low quiescent current (45 µA,...
2MHz 500mA Synchronous PFM/PWM Buck Regulator -- MCP1603 The MCP1603 is a high efficiency fully integrated 500 mA 2.0 MHz synchronous buck regulator ideally suited for Li-Ion/NiMH Battery powered application powered. At heavy loads, the MCP1603 operates in...
500kHz 425mA Isw Synchronous PFM/PWM Boost Regulator -- MCP1624
500kHz 425mA Isw Synchronous PWM Boost Regulator -- MCP1623
The MCP1624/3 are compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converters. Both provide an easy-to-use power supply solution for applications powered by either one/two/three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or...
Low Quiescent Current Synchronous Boost Converter -- MCP16251
Low Quiescent Current Synchronous Boost Regulator -- MCP16252
The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or...
30V Non-Synchronous Buck Regulator -- MCP16301 The MCP16301 is a highly integrated, high-efficiency, fixed frequency, step-down DC-DC converter in a popular 6-pin SOT-23 package that operates from input voltage sources up to 30V. Integrated features include...
36V Non-Synchronous Buck Regulator -- MCP16301H The MCP16301H is a highly integrated, high-efficiency, fixed frequency, step-down DC-DC converter in a popular 6-pin SOT-23 package that operates from input voltage sources up to 36V. Integrated features include...
30V/1A PFM/PWM Synchronous Buck Regulator -- MCP16311
30V/1A PWM Synchronous Buck Regulator -- MCP16312
The MCP16311 is a compact, high-efficiency, fixed frequency PWM/PFM, synchronous step-down DC-DC converter in a 8-pin MSOP, or 2 x 3 TDFN package that operates from input voltage sources up...
50V/1A, Non-Synchronous Buck Regulator -- MCP16331 The MCP16331 is a highly integrated, high-efficiency, fixed frequency, step-down DC-DC converter in a popular 6-pin SOT-23 or 8-pin TDFN 2x3 package that operates from input voltage sources up to...
500kHz 800mA Isw Synchronous PFM/PWM Boost Regulator -- MCP1640 The MCP1640/40B/40C/40D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell, or three-cell alkaline, NiCd,...
1 MHz 1.8A Isw Synchronous PWM Boost Regulator -- MCP1642 The MCP1642B/D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell, or three-cell alkaline, NiCd,...
High Voltage 1.3A Isw PWM Boost Regulator -- MCP1661 The MCP1661 device is a compact, high-efficiency, fixed-frequency, non-synchronous step-up DC-DCconverter which integrates a 36V, 800 mΩ NMOS switch. It provides a space-efficient high-voltage step-up power supply solution for applications...
High Voltage Output Boost LED Constant Current Regulator -- MCP1662 The MCP1662 device is a compact, space-efficient, fixed-frequency, non-synchronous step-up converter optimized to drive LED strings with constant current from two and three-cell alkaline and NiMH/NiCd or one-cell Li-Ion or...
High Voltage 1.8A Isw Boost Regulator -- MCP1663 The MCP1663 device is a compact, high-efficiency, fixed-frequency, non-synchronous step-up DC-DCconverter which integrates a 36V, 400 mΩ NMOS switch. It provides a space-efficient high-voltage step-up power supply solution for applications...
High Voltage Output Boost LED Constant Current Regulator -- MCP1664 The MCP1664 device is a compact, space-efficient, fixed-frequency, non-synchronous step-up converter optimized to drive LED strings with constant current from two and three-cell alkaline and NiMH/NiCd or one-cell Li-Ion or...
High-Voltage 3.6A Isw PFM/PWM Boost Regulator -- MCP1665 The MCP1665 device is a compact, high-efficiency, fixed-frequency, non-synchronous step-up DC-DC converter that integrates a 36V, 100 mΩ NMOS switch. It provides a space-efficient high-voltage step-up power supply solution for...
Micropower Boost Converter, Dynamically Adjustable -- MIC2141 The MIC2141 is a micropower boost switching regulator that can operate from 3- or 4-cell nickel-metal-hydride batteries or a single Li-Ion cell. This regulator employs a constant 330kHz, fixed 18%...
400kHz 0.9A Isw Boost Regulator -- MIC2145 The MIC2145 is a small size boost switching regulator that can provide over 2.5W of output power. The input voltage range is between 2.4V to 16V, making the device suitable...
100kHz Switching Regulator -- MIC2171 The MIC2171 is a complete 100kHz SMPS current-mode controller with an internal 65V 2.5A power switch. Although primarily intended for voltage step-up applications, the floating switch architecture of the MIC2171...
1.25A 100kHz Switching Regulator -- MIC2172
1.25A 100kHz Switching Regulator -- MIC3172
The MIC2172 and MIC3172 are complete 100kHz SMPS current-mode controllers with internal 65V 1.25A power switches. The MIC2172 features external frequency synchronization or frequency adjustment, while the MIC3172 features an...
Synchronous Buck Regulator -- MIC2177 The MIC2177 is a 200kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications. The MIC2177 operates from a 4.5V to 16.5V input and features internal power MOSFETs that...
Synchronous Buck Regulator -- MIC2178 The MIC2178 is a 200kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications.The MIC2178 operates from a 4.5V to 16.5V input and features internal power MOSFETs that can...
2MHz 600mA Synchronous PWM Buck Regulator w/Sync -- MIC2202 The MIC2202 is a high efficiency, 2MHz PWM synchronous buck regulator. The fast 2MHz operation along with a proprietary compensation scheme allows the smallest possible external components. The MIC2202 can...
1MHz 300mA Synchronous PWM Buck Regulator w/Sync -- MIC2203 The MIC2203 is a high efficiency 1MHz PWM synchronous buck switching regulator. The MIC2203 features low noise constant frequency PWM operation with a low dynamic supply current of <1mA. The...
2MHz 600mA Synchronous PWM Buck Regulator w/Sync -- MIC2204 The MIC2204 is a high efficiency 2MHz PWM synchronous buck switching regulator. Power conversion efficiency of above 95% is easily obtainable over a wide range of applications. A proprietary internal...
2MHz 600mA PWM Synchronous Buck Regulator -w/LowQ® Mode -- MIC2205 The MIC2205 is a high efficiency 2MHz PWM synchronous buck (step-down) regulator that features a LowQ® size, and high efficiency solution for portable power applications. In PWM mode, the...
2MHz 600mA PWM Synchronous Buck Regulator w/LowQ® Mode -- MIC2206 The MIC2206 is a high efficiency 2MHz PWM synchronous buck (step-down) regulator that features a LowQ® LDO standby mode that draws only 18mA of quiescent current. The MIC2206 allows...
3A 2MHz Buck Regulator -- MIC2207 The MIC2207 is a high efficiency PWM buck (step-down) regulators that provides up to 3A of output current. The MIC2207 operates at 2MHz and has proprietary internal compensation that allows...
4MHz 2A Synchronous Buck Regulator w/Programmable Frequency -- MIC22200 The MIC22200 is a high efficiency, 2A integrated switch synchronous buck (step-down) regulator. The MIC22200 switching frequency is programmable from 800kHz to 4MHz, allowing the customer to optimize their designs...
2MHz 600mA PWM Buck Converter w/DAC Input and 40mΩ Bypass Switch -- MIC2224 The MIC2224 is a high efficiency 2MHz PWM synchronous buck switching regulator optimized for powering 2.5G and 3G CDMA RF Power Amplifiers. The output voltage of MIC2224 can be dynamically...
Ultra Small Dual Channel DC/DC LDO -- MIC2225 The MIC2225 is a dual output regulator featuring a high efficiency 2MHz PWM synchronous buck (step-down) regulator and a 300mA LDO. The MIC2225 is an ultra-low noise, small size, and...
High Efficiency Dual 800/800mA Buck Switcher with Fast Transient -- MIC2230 The MIC2230 is dual output, high-efficiency synchronous step-down DC/DC converter. The MIC2230 is ideally suited for portable systems which demand high power conversion efficiencies and fast transient performance, while offered...
Dual 800/800mA Synchronous Buck Regulator -- MIC2238 The MIC2238 is dual output 2-phase synchronous buck (step down) PWM DC/DC switching regulator. Power conversion efficiencies of above 95% are easily obtainable for a wide range of applications and...
4MHz 4A Synchronous Buck Regulator w/Programmable Freq. & Power Good -- MIC22400 The MIC22400 is a high-efficiency, 4A integrated switch synchronous buck (step-down) regulator. The MIC22400 is optimized for highest efficiency, achieving over 90% efficiency while still switching at 1MHz over a...
4MHz 4A Synchronous Buck Regulator w/Programmable Freq. & POR -- MIC22405 The MIC22405 is a high efficiency, 4A integrated switch synchronous buck (step-down) regulator. The MIC22405 is optimized for highest efficiency, achieving more than 95% efficiency while still switching at 1MHz.
4MHz 500mA Synchronous Buck Regulator w/LowQ® Mode -- MIC2245 The MIC2245 is a high efficiency 4MHz pulse width modulated (PWM) synchronous buck (stepdown) regulator that features a LowQ® LDO standby mode that draws only 18µA of quiescent current.
2A Isw Low EMI Boost Regulator w/Dithering -- MIC2250 The MIC2250 is a general purpose DC/DC boost switching regulator that features low noise, EMI reduction circuitry, and high efficiency across a wide output current range. The MIC2250 is optimized...
1.6A Isw Low EMI Boost Regulator w/Dithering -- MIC2251 The MIC2251 is a general purpose DC/DC boost switching regulator that features low noise, EMI reduction circuitry, and high efficiency across a wide output current range. The MIC2251 is optimized...
3.5A 1MHz High Efficiency Boost Regulator w/OVP & Softstart -- MIC2253 The MIC2253 is a high power density 1MHz PWM DC/DC boost regulator. The 3.5A minimum switch current limit combined with a 1MHz switching frequency allows the MIC2253 to use smaller...
4MHz 6A Synchronous Buck Regulator -- MIC22601 The MIC22601 is a high efficiency 6A Integrated switch synchronous buck (step-down) regulator. The MIC22601 is optimized for highest efficiency (greater than 90%), while still switching at 4MHz over a...
1MHz 6A Synchronous Buck Regulator -- MIC22602 The MIC22602 is a high efficiency 6A Integrated switch synchronous buck (step-down) regulator. The MIC22602 is optimized for highest efficiency, achieving more than 95% efficiency while still switching at 1MHz...
USB Power Maximizer -- MIC2267 The MIC2267 is a USB Power Maximizer which transfers the maximum power from the limited USB current source by shaping the input current limit profile. It incorporates a high efficiency,...
1MHz 7A Synchronous Buck Regulator -- MIC22700 The MIC22700 is a high efficiency, 7A Integrated switch synchronous buck (step-down) regulator. The MIC22700 is optimized for highest efficiency. The device achieves more than 95% efficiency while still switching...
1MHz 7A Synchronous Buck Regulator -- MIC22705 The MIC22705 is a high-efficiency, 7A integrated switch synchronous buck (step-down) regulator. The MIC22705 is optimized for highest efficiency, achieving more than 95% efficiency while still switching at 1MHz. The...
8MHz 500mA Synchronous Buck Regulator w/LowQ® Mode -- MIC2285 The MIC2285 is a high efficiency 8MHz pulse width modulated (PWM) synchronous buck (stepdown) regulator that features a LowQ® LDO standby mode that draws only 18µA of quiescent current.
8MHz 600mA Synchronous Buck Regulator w/LowQ® Mode -- MIC2285A The MIC2285A is a high efficiency 8MHz PWM synchronous buck (step-down) regulator that features a LowQ® LDO standby mode that draws only 18µA of quiescent current. The MIC2285A allows...
1.2MHz Isw PWM Boost Regulator -- MIC2288 The MIC2288 is a 1.2MHz pulse-width modulation (PWM), DC/DC boost switching regulator. High power density is achieved with the MIC2288's internal 34V/1A switch, allowing it to power large loads in...
1.2MHz Isw PWM Boost Regulator -- MIC2290 The MIC2290 is a 1.2MHz , PWM, boost-switching regulator. The MIC2290 features an internal Schottky diode that reduces circuit board area and total solution cost. High power density is achieved...
1.2MHz Isw PWM Boost Converter -- MIC2295 The MIC2295 is a 1.2Mhz, PWM DC/DC boost switching regulator. High power density is achieved with the MIC2295's internal 34V / 1.2A switch, allowing it to power large loads in...
2MHz 10A Synchronous Buck Regulator w/Progammable Frequency -- MIC22950 The MIC22950 is a high efficiency 10A integrated switch synchronous buck (step-down) regulator. The MIC22950 switching frequency is programmable from 400kHz to 2MHz, allowing the customer to optimize designing either...
600kHz 1.7A Isw PWM Boost Converter -- MIC2296 The MIC2296 is a 600kHz, PWM DC/DC boost switching regulator. High power density is achieved with the MIC2296's internal 34V / 1.2A switch, allowing it to power large loads in...
8MHz 400mA HyperLight Load® Synchronous Buck Regulator -- MIC23030 The MIC23030 is a high efficiency 8MHz 400mA synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient response...
4MHz 400mA HyperLight Load® Synchronous Buck Regulator -- MIC23031 The MIC23031 is a high efficiency 4MHz 400mA synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient response...
4MHz 600mA HyperLight Load® Synchronous Buck Regulator -- MIC23050 The MIC23050 is a high efficiency 600mA PWM synchronous buck (step-down) regulator featuring HyperLight Load®, a patent pending switching scheme that offers best in class light load efficiency...
4MHz 600mA HyperLight Load® Synchronous Buck Regulator w/Voltage ScaLINg -- MIC23051 The MIC23051 is a high efficiency 600mA PWM synchronous buck (step-down) regulator featuring HyperLight Load®, a patented switching scheme that offers best in class light load efficiency and...
4MHz 2A HyperLight Load® Synchronous Buck Regulator -- MIC23150 The MIC23150 is a high-efficiency 4MHz 2A synchronous buck regulator with HyperLight Load® mode. HyperLight Load provides very high efficiency at light loads and ultra-fast transient response which is...
4MHz 2A HyperLight Load® Synchronous Buck Regulator w/Soft-Start and Power Good -- MIC23153 The MIC23153 is a high efficiency 4MHz 2A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft-start. HyperLight Load® provides very high efficiency...
3MHz 2A HyperLight Load® Synchronous Buck Regulator w/Soft-Start and Power Good -- MIC23155 The MIC23155 is a high efficiency 3MHz 2A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft start. HyperLight Load® provides very high...
3MHz 1.5A HyperLight Load® Synchronous Buck Regulator w/I2C Control -- MIC23156 The MIC23156 is a high-efficiency 1.5A synchronous buck regulator with HyperLight Load® mode and dynamic voltage scaling control through I2C. HyperLight Load provides very high efficiency at...
Dual 3MHz 2A Synchronous Buck Regulator w/Soft-Start and Power Good -- MIC23158
Dual 3MHz 2A Synchronous Buck Regulator w/Soft-Start and Power Good -- MIC23159
The MIC23158/9 is a high efficiency 3MHz dual 2A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft start. The MIC23159 also provides an...
2MHz 2A Hyper Speed Control™ Synchronous Buck Regulator -- MIC23201 The MIC23201 is a high efficiency 2MHz 2A synchronous buck regulator with Hyper Speed Control. Hyper Speed Control™ provides ultra-fast transient response which is perfectly suited for supplying processor core...
Dual 4MHz 400mA Synchronous Buck Regulator -- MIC23250 The MIC23250 is a high efficiency 4MHz dual 400mA synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient...
Dual 4MHz 400mA and Low Input Voltage Synchronous Buck Regulator -- MIC23254 The MIC23254 is a low-input voltage, high-efficiency 4MHz dual 400mA synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very-high efficiency at light loads and ultra-fast transient...
4MHz 3A HyperLight Load® Synchronous Buck Regulator w/Soft-Start and Power Good -- MIC23303 The MIC23303 is a high efficiency 4MHz 3A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft-start. HyperLight Load® provides very high efficiency...
Triple 3MHz 2A Synchronous Buck Regulator w/Power Good -- MIC23450 The MIC23450 is a high-efficiency, 3MHz, triple 2A, synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very-high efficiency at light loads and ultra-fast transient response which...
Triple 3MHz 2A Synchronous Buck Regulator w/Power Good -- MIC23451 The MIC23451 is a high-efficiency, 3MHz, triple 2A, synchronous buck regulator with HyperLight Load® mode. HyperLight Load provides very-high efficiency at light loads and ultra-fast transient response, which is...
4MHz PWM 6A Buck Regulator with HyperLight Load® -- MIC23603 The MIC23603 is a high-efficiency 4MHz 6A synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultrafast transient response which...
I2C Programmable 5A Synchronous Buck Regulator -- MIC24045 The MIC24045 is an I2C-programmable, high-efficiency, wide input range, 5A synchronous step-down regulator. The MIC24045 is perfectly suited for multiple voltage rail application environments, typically found in computing and telecommunication...
19V High Efficiency DC-DC Buck Regulator -- MIC24051 The MIC24051 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24051 operates over an input supply range of 4.5V to 19V and provides a...
19V Buck Regulator -- MIC24052 The MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC24052 operates over a supply range of 4.5V to 19V. It has an internal linear...
19V High Efficiency DC-DC Buck Regulator -- MIC24053 The MIC24053 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24053 operates over an input supply range of 4.5V to 19V and provides a...
19V Hyper DC-DC Buck Regulator -- MIC24054 The MIC24054 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC24054 operates over a supply range of 4.5V to 19V. It has an internal linear...
29V/12A DC-DC Buck Regulator -- MIC24055 The MIC24055 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24055 operates over an input supply range of 4.5V to 19V and provides a...
29V/12A DC-DC Buck Regulator -- MIC24056 The MIC24056 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC24056 operates over a supply range of 4.5V to 19V. It has an internal linear...
Dual 1MHz 2.5A PWM Sync Buck Regulator -- MIC24420
Dual 500kHz 2.5A PWM Sync Buck Regulator -- MIC24421
The MIC24420/MIC24421 are synchronous PWM dual output step down converters with internal 2.5A high-side switches. The MIC24420/MIC24421 has an integrated low-side gate driver for synchronous step-down conversion by connecting an...
1.2 MHz 1.7A Isw Wide Input Range Boost Regulator -- MIC2601
2 MHz Wide Input Range Boost Regulator -- MIC2602
The MIC2601/2 is a 1.2MHz/2MHz, PWM DC/DC boost switching regulator. High power density is achieved with the MIC2601/2's internal 40V/1.2A switch, allowing it to power large loads in a tiny...
1.2 MHz 0.8A Isw Wide Input Range Boost Regulator w/ Integrated Schottky -- MIC2605
2 MHz Wide Input Range Boost Regulator -- MIC2606
The MIC2605/6 is a 1.2MHz/2MHz, PWM DC/DC boost switching regulator. High power density is achieved with the MIC2605/6's internal 40V/0.5A switch and Schottky diode, allowing it to power large loads...
28V/12A DC-DC Buck Regulator -- MIC261201 The MIC261201 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC261201 operates over an input supply range of 4.5V to 28V and provides a...
28V/12A DC-DC Buck Regulator -- MIC261203 The MIC261203 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC261203 operates over a supply range of 4.5V to 28V. It has an internal linear...
28V/12A DC-DC Buck Regulator -- MIC261203Z The MIC261203-ZA is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC261203-ZA operates over an input supply range of 4.5V to 28V and provides a...
1.2MHz Isw PWM Boost Converter -- MIC2619 The MIC2619 is a 1.2MHz pulse width modulated (PWM) step-up switching regulator that is optimized for low power, high output voltage applications. With a maximum output voltage of 35V, and...
26V DC-DC Buck Regulator -- MIC26400 The MIC26400 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive ON-time control architecture. The MIC26400 operates over an input supply range of 4.5V to 26V and...
26V DC-DC Buck Regulator -- MIC26600 The MIC26600 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive ON-time control architecture. The MIC26600 operates over an input supply range of 4.5V to 26V and...
28V/6A DC-DC Buck Regulator -- MIC26601 The MIC26601 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC26601 operates over an input supply range of 4.5V to 28V and provides a...
28V/6A DC-DC Buck Regulator -- MIC26603 The MIC26603 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC26603 operates over a supply range of 4.5V to 28V. It has an internal linear...
28V/6A DC-DC Buck Regulator -- MIC26603Z The MIC26603-ZA is a constant-frequency, synchronous buck regulator featuring a unique adaptive ON-time control architecture. The MIC26603-ZA operates over an input supply range of 4.5V to 28V and provides a...
28V/9A DC-DC Buck Regulator -- MIC26901 The MIC26901 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC26901 operates over an input supply range of 4.5V to 28V and provides a...
28V/9A DC-DC Buck Regulator -- MIC26903 The MIC26903 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC26903 operates over a supply range of 4.5V to 28V. It has an internal linear...
28V/9A Synchronous DC-DC Regulator -- MIC26903Z The MIC26903-ZA is a constant-frequency, synchronous buck regulator featuring a unique adaptive ON-time control architecture. The MIC26903-ZA operates over an input supply range of 4.5V to 28V and provides a...
28V/12A Synchronous DC-DC Regulator -- MIC26950 The MIC26950 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive ON-time control architecture. The MIC26950 operates over an input supply range of 4.5V to 26V and...
36V/7A DC-DC Buck Regulator -- MIC27600 The MIC27600 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive on-time control architecture. The MIC27600 operates over an input supply range of 4.5V to 36V and...
2MHz 600mA DC/DC + Dual 300mA LINear Regulators with LowQ® Mode -- MIC2800 The MIC2800 is a high performance power management IC, giving three output voltages with maximum efficiency. Integrating a 2MHz DC/DC converter with an LDO post regulator, the MIC2800 gives two...
2MHz 600mA DC/DC + Dual 300mA LINear Regulators with LowQ® Mode -- MIC2810 The MIC2810 is a high performance power management IC, integrating a 2MHz DC/DC switcher with two 300mA LDOs. The MIC2810 features a LowQ® mode, reducing the total current draw while...
75V/4A DC-DC Buck Regulator w/Hyper Speed Control™ -- MIC28510 The MIC28510 is an adjustable frequency, synchronous buck regulator featuring unique adaptive on-time control architecture. The MIC28510 operates over an input supply range of 4.5V to 75V and provides a...
60V/3A Synchronous Buck Regulator w/Hyper Speed Control™ -- MIC28511 The MIC28511 is a synchronous step-down switching regulator with internal power switches capable of providing up to 3A output current from a wide input supply range from 4.6V to 60V.
70V/2A Synchronous Buck Regulator w/Hyper Speed Control™ -- MIC28512 The MIC28512 is a synchronous step-down switching regulator with internal power switches capable of providing up to 2A output current from a wide input supply range from 4.6V to 70V.
45V/4A Synchronous Buck Regulator w/Hyper Light Load™ -- MIC28513 The MIC28513 is a synchronous step-down switching regulator with internal power switches capable of providing up to 4A output current from a wide input supply range from 4.6V to 45V.
75V/5A DC-DC Switching Buck Regulator with External Soft Start -- MIC28514 The MIC28514/15 is a wide input range (4.5V-75V) integrated FET, 5A switching regulators. The MIC28514/15 is leveraging the latest enhanced high voltage COT controllers co-packaged with a pair of low...
75V/5A DC-DC Switching Buck Regulator with Mode Select -- MIC28515 The MIC28515/14 is a wide input range (4.5V-75V) integrated FET, 5A switching regulators. The MIC28515/14 is leveraging the latest enhanced high voltage COT controllers co-packaged with a pair of low...
2MHz 4.8A Isw Synchronous Boost Regulator -- MIC2875 The MIC2875 is a compact and highly-efficient 2MHz synchronous boost regulator with a 4.8A switch. It features a bi-directional load disconnect function which prevents any leakage current between the input...
2MHz 4.8A Isw Synchronous Boost Regulator -- MIC2876 The MIC2876 is a compact and highly-efficient 2MHz synchronous boost regulator with a 4.8A switch. It features a bi-directional load disconnect function which prevents any leakage current between the input...
2MHz 6.5A Isw Synchronous Boost Regulator -- MIC2877 The MIC2877 is a compact and highly efficient 2MHz synchronous boost regulator with a 6.5A (typical) switch. It features a bidirectional true load disconnect function that prevents any leakage current...
High Efficiency 600mA Inductor-less Buck Regulator Power Module -- MIC33050 The MIC33050 is a high efficiency 600mA PWM synchronous buck (step-down) regulator with internal inductor featuring HyperLight Load®, a patent-pending switching scheme that offers best-in-class light load efficiency and transient...
1.5A Ultra Low Noise Power Module -- MIC38150 The MIC38150 is a 1.5A continuous output current step down converter. This is a follow on product in the new High Efficiency Low DropOut Regulators (HELDO®) family, that...
3A Ultra Low Noise Power Module -- MIC38300 The MIC38300 is a 3A peak, 2.2A continuous output current step down converter. This is the first device in a new generation of High Efficiency Low Dropout (HELDO®)...
0.5A Step-down Regulator -- MIC4574 The MIC4574 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4574 duplicates the pinout and function of the 52kHz LM2574.
1.0A Step-down Regulator -- MIC4575 The MIC4575 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4575 duplicates the pinout and function of the 52kHz LM2575.
3.0A Step-down Regulator -- MIC4576 The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576.
1.3A Buck Regulator -- MIC4680 The MIC4680 SuperSwitcher™ is an easy-to-use fixed or adjustable output voltage step-down (buck) switch-mode voltage regulator. The 200kHz MIC4680 achieves up to 1.3A of continuous output current over a wide...
2A Peak Buck Regulator -- MIC4681 The MIC4681 SuperSwitcher™ is an easy-to-use step-down (buck) voltage-mode switching regulator. The 200kHz MIC4681 achieves over 1A of continuous output current over a 4V to 30V input range in an...
Precision Current Limit Buck Regulator -- MIC4682 The MIC4682 is an easy-to-use step-down (buck) switch-mode voltage regulator. It features a programmable current limit that allows 10% current limit accuracy over its full operating temperature range. The precision...
2A Buck Regulator -- MIC4684 The MIC4684 is a high-efficiency 200kHz stepdown (buck) switching regulator. Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications. The MIC4684 achieves 2A of...
3A Buck Regulator -- MIC4685 The MIC4685 is a high-efficiency 200kHz stepdown (buck) switching regulator. Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications. The MIC4685 achieves 3A of...
500KHz 1A SuperSwitcher™ Buck Regulator -- MIC4690 The MIC4690 SuperSwitcher™ is an easy-to-use, 500kHz step-down PWM voltage regulator. The MIC4690 achieves over 1A of continuous output current over a wide input voltage range in an 8-lead SO...
2MHz 2A Buck Regulator -- MIC4720 The MIC4720 is a high efficiency PWM buck (step-down) regulator that provides up to 2A of output current. The MIC4720 operates at 2.0MHz and has proprietary internal compensation that allows...
2MHz 1.5A Buck Regulator -- MIC4721 The MIC4721 is a high efficiency PWM buck (step-down) regulators that provides up to 1.5A of output current. The MIC4721 operates at 2MHz and has proprietary internal compensation that allows...
2.7MHz 3A Buck Regulator -- MIC4722 The MIC4722 is a high efficiency PWM buck (step-down) regulator that provides up to 3A of output current. The MIC4722 operates at 2.7MHz that makes it suitable for next generation...
2MHz 3A Buck Regulator -- MIC4723 The MIC4723 is a high efficiency PWM buck (step-down) regulator that provides up to 3A of output current. The MIC4723 operates at 2.0MHz and has proprietary internal compensation that allows...
2MHz 3A Buck Regulator -- MIC4724 The MIC4724 is a high efficiency PWM buck (step-down) regulator that provides up to 3A of output current. The MIC4724 operates at 2.0MHz and has proprietary internal compensation that allows...
Dual 2 MHz 2A Buck Regulator -- MIC4742 The MIC4742 is a high efficiency dual PWM buck (step-down) regulator that provides dual 2A current output. The MIC4742 operates at 2MHz. A proprietary internal compensation technique allows a closed...
Dual 4 MHz 2A Buck Regulator -- MIC4744 The MIC4744 is a high efficiency dual PWM buck (step-down) regulator that provides dual 2A current output. The MIC4744 operates at 4MHz. A proprietary internal compensation technique allows a closed...
Dual 1.8MHz 2A Buck Regulator -- MIC4782 The MIC4782 is a high efficiency dual PWM buck (step-down) regulator that provides dual 2A output current. The MIC4782 operates at 1.8MHz. A proprietary internal compensation technique allows a closed...
3.3MHz 3A Hyper Speed Control™ Synchronous Buck Regulator -- MIC4930 The MIC4930 is a high-efficiency, 3A synchronous buck regulator with ultra-fast transient response perfectly suited for supplying processor core and I/O voltages from a 5V or 3.3V bus. The MIC4930...
3.3MHz 5A Hyper Speed Control™ Synchronous Buck Regulator -- MIC4950 The MIC4950 is a high-efficiency, 5A synchronous buck regulator with ultra-fast transient response perfectly suited for supplying processor core and I/O voltages from a 5V or 3.3V bus. The MIC4950...
1.5A 200kHz Synchronous Buck Regulator -- MIC2179 The Micrel MIC2179 is a 200kHz synchronous buck (step-down) switching regulator designed for high-efficiency, battery-powered applications. The MIC2179 operates from a 4.5V to 16.5V input and features internal power MOSFETs...
4MHz 2A Synchronous Buck Regulator w/Programmable Frequency -- MIC22205 The Micrel MIC22205 is a high-efficiency, 2A, integrated switch, synchronous buck (step-down) regulator. The MIC22205 is optimized for highest efficiency, achieving more than 95% efficiency while still switching at 1MHz.
PFM/PWM Step-Up DC/DC Converter -- TC115 The TC115 is a high-efficiency step-up DC/DC converter for small, low input voltage or battery powered sys-tems. This device has a guaranteed start-up voltage of 0.9V and a typical supply...