Analog Devices, Inc. Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs ADP5037ACPZ-R7

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Norwood, MA, USA
Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
ADP5037ACPZ-R7
Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs ADP5037ACPZ-R7
Product Details The ADP5037 combines two high performance buck regulators and two low dropout (LDO) regulators in a small, 24-lead 4 mm × 4 mm LFCSP to meet demanding performance and board space requirements. The high switching frequency of the buck regulators enables tiny multilayer external components and minimizes the board space. When the MODE pin is set high, the buck regulators operate in forced PWM mode. When the MODE pin is set low and the load is above a predefined threshold, the buck regulators operate in PWM mode. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving the light-load efficiency. The two bucks operate out of phase to reduce the input capacitor requirement. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5037 LDOs extend the battery life of portable devices. The ADP5037 LDOs maintain power supply rejection greater than 60 dB for frequencies as high as 10 kHz while operating with a low headroom voltage. Regulators in the ADP5037 are activated though dedicated enable pins. The default output voltages can be externally set in the adjustable version or factory programmable to a wide range of preset values in the fixed voltage version.

Product Details

The ADP5037 combines two high performance buck regulators and two low dropout (LDO) regulators in a small, 24-lead 4 mm × 4 mm LFCSP to meet demanding performance and board space requirements.

The high switching frequency of the buck regulators enables tiny multilayer external components and minimizes the board space. When the MODE pin is set high, the buck regulators operate in forced PWM mode. When the MODE pin is set low and the load is above a predefined threshold, the buck regulators operate in PWM mode. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving the light-load efficiency.

The two bucks operate out of phase to reduce the input capacitor requirement. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5037 LDOs extend the battery life of portable devices. The ADP5037 LDOs maintain power supply rejection greater than 60 dB for frequencies as high as 10 kHz while operating with a low headroom voltage.

Regulators in the ADP5037 are activated though dedicated enable pins. The default output voltages can be externally set in the adjustable version or factory programmable to a wide range of preset values in the fixed voltage version.

Supplier's Site Datasheet
Buck Regulator with LDO 2.3V to 5.5V 24-Pin LFCSP EP T/R

Buck Regulator with LDO 2.3V to 5.5V 24-Pin LFCSP EP T/R

Supplier's Site
PMIC - Voltage Regulators - Linear + Switching - ADP5037ACPZ-R7 - Lingto Electronic Limited
Shenzhen, China
PMIC - Voltage Regulators - Linear + Switching
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PMIC - Voltage Regulators - Linear + Switching ADP5037ACPZ-R7
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IC REG QUAD BCK/LNR SYNC 24LFCSP

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - ADP5037ACPZ-R7 - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Voltage Regulators - Linear + Switching
ADP5037ACPZ-R7
Voltage Regulators - Linear + Switching ADP5037ACPZ-R7
PMIC - Voltage Regulators - Linear Switching 4 Output Step-Down (Buck) Synchronous (2), Linear (LDO) (2) 3MHz 24-LFCSP-WQ (4x4)

PMIC - Voltage Regulators - Linear Switching 4 Output Step-Down (Buck) Synchronous (2), Linear (LDO) (2) 3MHz 24-LFCSP-WQ (4x4)

Supplier's Site Datasheet
Integrated Circuits - ADP5037ACPZ-R7 - LIXINC Electronics Co., Limited
Hong Kong, China
Integrated Circuits
ADP5037ACPZ-R7
Integrated Circuits ADP5037ACPZ-R7
IC REG QUAD BCK/LNR SYNC 24LFCSP

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Supplier's Site Datasheet
 - ADP5037ACPZ-R7 - Rochester Electronics
Newburyport, MA, United States
Dual 3 MHz, 800mA Buck RegulatorS with two 300mA LDOS

Dual 3 MHz, 800mA Buck RegulatorS with two 300mA LDOS

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - 505-ADP5037ACPZ-R7TR-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
505-ADP5037ACPZ-R7TR-ND
Voltage Regulators - Linear + Switching 505-ADP5037ACPZ-R7TR-ND
IC REG QUAD BCK/LNR SYNC 24LFCSP

IC REG QUAD BCK/LNR SYNC 24LFCSP

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - 505-ADP5037ACPZ-R7DKR-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
505-ADP5037ACPZ-R7DKR-ND
Voltage Regulators - Linear + Switching 505-ADP5037ACPZ-R7DKR-ND
IC REG QUAD BCK/LNR SYNC 24LFCSP

IC REG QUAD BCK/LNR SYNC 24LFCSP

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - 505-ADP5037ACPZ-R7CT-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
505-ADP5037ACPZ-R7CT-ND
Voltage Regulators - Linear + Switching 505-ADP5037ACPZ-R7CT-ND
IC REG QUAD BCK/LNR SYNC 24LFCSP

IC REG QUAD BCK/LNR SYNC 24LFCSP

Supplier's Site Datasheet
Switching Voltage Regulators - ADP5037ACPZ-R7 - VAST STOCK CO., LIMITED
Sheung Wan, Hong Kong
Switching Voltage Regulators
ADP5037ACPZ-R7
Switching Voltage Regulators ADP5037ACPZ-R7
Switching Voltage Regulators Dual 3MHz 800mA W/ Two 300mA LDO

Switching Voltage Regulators Dual 3MHz 800mA W/ Two 300mA LDO

Supplier's Site Datasheet

Technical Specifications

  Analog Devices, Inc. Shenzhen Shengyu Electronics Technology Limited Lingto Electronic Limited Quarktwin Technology Ltd. LIXINC Electronics Co., Limited Rochester Electronics DigiKey VAST STOCK CO., LIMITED
Product Category IC Switching Voltage Regulators IC Voltage Regulators IC Linear Voltage Regulators IC Linear Voltage Regulators IC Linear Voltage Regulators IC Voltage Regulators IC Linear Voltage Regulators IC Switching Voltage Regulators
Product Number ADP5037ACPZ-R7 ADP5037ACPZ-R7 ADP5037ACPZ-R7 ADP5037ACPZ-R7 ADP5037ACPZ-R7 ADP5037ACPZ-R7 505-ADP5037ACPZ-R7TR-ND ADP5037ACPZ-R7
Product Name Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs Others PMIC - Voltage Regulators - Linear + Switching Voltage Regulators - Linear + Switching Integrated Circuits Voltage Regulators - Linear + Switching Switching Voltage Regulators
Configuration / Function Buck
Package Type Other; LFCSP Other; LFCSP EP Other; 24-WFQFN Exposed Pad, CSP Other; 24-WFQFN Exposed Pad, CSP Other; Tape & Reel (TR)Cut Tape (CT)Digi-Reel® Other; LFCSP24 Other; 24-WFQFN Exposed Pad, CSP
Life Cycle Stage Production Active Active
IOUT 0.8000 amps 0.3000 amps 0.3000 to 0.8000 amps 0.8000 amps
VIN 2.3 to 5.5 volts 1.7 to 5.5 volts
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