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APW7438B - 7A Constant On Time Synchronous Buck Regulator

Download the APW7438B datasheet PDF. This datasheet also covers the APW7438A variant, as both devices belong to the same 7a constant on time synchronous buck regulator family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (APW7438A-ANPEC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number APW7438B
Manufacturer ANPEC
File Size 2.35 MB
Description 7A Constant On Time Synchronous Buck Regulator
Datasheet download datasheet APW7438B Datasheet

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.

Overview

APW7438A/B 7A Constant On Time Synchronous Buck Regulator with I2C.

Key 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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