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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADP5037 Buck Regulators - Analog Devices
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Analog Devices ADP5037 800mA Buck Regulators

Analog Devices ADP5037 800mA Buck Regulators

Analog Devices ADP5037 800mA Buck Regulators combine two high-performance buck regulators and two low dropout (LDO) regulators in a small, 24-lead 4mm × 4mm LFCSP to meet demanding performance and board space requirements. The high switching frequency of this ADI device's buck regulators enables tiny multilayer external components and minimizes the board space. The two buck regulators 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.

Features
  • Main input voltage range: 2.3V to 5.5V
  • Two 800mA buck regulators and two 300mA LDOs
  • 24-lead, 4mm × 4mm LFCSP package
  • Regulator accuracy: ±1.8%
  • Factory programmable or external adjustable VOUTx
  • 3MHz buck operation with forced PWM and auto PWM/PSM modes
  • BUCK1/BUCK2: output voltage range from 0.8 V to 3.8V
  • LDO1/LDO2: output voltage range from 0.8V to 5.2V
  • LDO1/LDO2: input supply voltage from 1.7V to 5.5V
  • LDO1/LDO2: high PSRR and low output noise
Applications
  • Power for processors, ASICS, FPGAs, and RF chipsets
  • Portable instrumentation and medical devices
  • Space constrained devices

Evaluation Board
ADP5037CP-EVALZ full feature evaluation board is supplied fully assembled and tested and has two step-down regulators with two LDOs that enable evaluation of the ADP5037.
ADP5037CP-Evalz Click image for larger view
Datasheet Datasheet
Buy ADP5037CP-Evalz View Product Detail


Typical Application Circuit
Functional Block Diagram
  • Analog Devices Inc.
  • Semiconductors|Integrated Circuits|IC-Power Management