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 a closed loop bandwidth of over 200kHz.
The low on-resistance internal p-channel MOSFET of the MIC4723 allows efficiencies over 92%, reduces external components count and eliminates the need for an expensive current sense resistor.
The MIC4723 operates from 2.7V to 5.5V input and the output can be adjusted down to 1V. The devices can operate with a maximum duty cycle of 100% for use in low-dropout conditions.
Additional Features
2.7/3.0V to 5.5V supply voltage
2.0MHz PWM mode
Output current to 3A
Up to 94% efficiency
100% maximum duty cycle
Adjustable output voltage option down to 1V
Ultra-fast transient response
Ultra-small external components stable with a 1µH inductor and a 4.7µF output capacitor
Fully integrated 3A MOSFET switch
Micropower shutdown
Thermal shutdown and current limit protection
Pb-free 10-pin ePAD MSOP package
-40°C to +125°C junction temperature range
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 a closed loop bandwidth of over 200kHz.
The low on-resistance internal p-channel MOSFET of the MIC4723 allows efficiencies over 92%, reduces external components count and eliminates the need for an expensive current sense resistor.
The MIC4723 operates from 2.7V to 5.5V input and the output can be adjusted down to 1V. The devices can operate with a maximum duty cycle of 100% for use in low-dropout conditions.
Additional Features
- 2.7/3.0V to 5.5V supply voltage
- 2.0MHz PWM mode
- Output current to 3A
- Up to 94% efficiency
- 100% maximum duty cycle
- Adjustable output voltage option down to 1V
- Ultra-fast transient response
- Ultra-small external components stable with a 1µH inductor and a 4.7µF output capacitor
- Fully integrated 3A MOSFET switch
- Micropower shutdown
- Thermal shutdown and current limit protection
- Pb-free 10-pin ePAD MSOP package
- -40°C to +125°C junction temperature range
