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APW7438A - 7A Constant On Time Synchronous Buck Regulator

Description

The APW7438A/B is a digitally controlled step-down regulator IC with an integrated 20mΩ high-side P-channel MOSFET and an 8mΩ low-side N-channel MOSFET.

Features

  • Pseudo frequency COT control.
  • Extremely fast line/load transient response.
  • I2C for output adjustment (3.4 Mbps).
  • 1.2 MHz switching frequency I2C Interface.
  • Extremely low-RDSON.

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Datasheet Details

Part number APW7438A
Manufacturer ANPEC
File Size 2.35 MB
Description 7A Constant On Time Synchronous Buck Regulator
Datasheet download datasheet APW7438A Datasheet

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Full PDF Text Transcription

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APW7438A/B 7A Constant On Time Synchronous Buck Regulator with I2C Production Features  Pseudo frequency COT control  Extremely fast line/load transient response  I2C for output adjustment (3.4 Mbps)  1.2 MHz switching frequency I2C Interface  Extremely low-RDSON MOSFETS  Input voltage rail 2.7V to 6V  Up to 7A output current  Power save mode for light-load efficiency  UVLO, OVP, and OCP  -40°C to 85°C ambient temperature  Available in QFN 2mm x 3mm 14 package  RoHS compliant Simplified Application Circuit VIN SW Enable AVIN VOUT APW7438 PGOOD SCL SDA EN PGND AGND General Description The APW7438A/B is a digitally controlled step-down regulator IC with an integrated 20mΩ high-side P-channel MOSFET and an 8mΩ low-side N-channel MOSFET.
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