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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADP5033 Dual Buck Regulators - Analog Devices
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Analog Devices ADP5033 Dual Buck Regulators

Analog Devices ADP5033 Dual Buck Regulators

Analog Devices ADP5033 Dual Buck Regulators combine two high performance buck regulators and two low dropout regulators (LDO) in a tiny, 16-ball, 2mm × 2mm WLCSP 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. The two bucks operate out of phase to reduce the input capacitor requirement and noise. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5033 LDO extend the battery life of portable devices. The ADP5033 LDOs maintain power supply rejection greater than 60dB for frequencies as high as 10kHz 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
  • Tiny, 16-ball, 2mm × 2mm WLCSP package
  • Regulator accuracy: ±1.8%
  • Factory programmable VOUTx
  • 3MHz buck operation with forced PWM and auto PWM/PSM modes
  • BUCK1/BUCK2: output voltage range from 0.8V to 3.8V

  • LDO1/LDO2: output voltage range from 0.8V to 5.2V
  • LDO1/LDO2: low 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
Application Circuit
Application Circuit
  • Analog Devices Inc.