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AX5521 Datasheet 20A Fully Integrated Synchronous Boost Converter

Manufacturer: AXElite

Download the AX5521 datasheet PDF. This datasheet also includes the AX5520 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (AX5520-AXElite.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AX5521
Manufacturer AXElite
File Size 938.53 KB
Description 20A Fully Integrated Synchronous Boost Converter
Download AX5521 Download (PDF)

General Description

The AX5520/AX5521 is a high efficiency fully integrated synchronous Boost converter with built-in main switch and synchronous switch.

The device has 20A switch peak current capability and provides output voltage up to 18V(AX5520) or 30V(AX5521).

Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, allowing the AX5520/ AX5521 to be used in high power step-up applications.

Overview

AX5520/1 20A Fully Integrated Synchronous Boost Converter  GENERAL.

Key Features

  • - AX5520: 2.7V to 18V Input Range 3V to 18V Output Voltage Integrated 18V Rating 9mΩ Main and Synchronous Power Switches with 20A Peak Current Capability - AX5521: 2.7V to 30V Input Range 3V to 30V Output Voltage Integrated 30V Rating 9mΩ Main and Synchronous Power Switches with 20A Peak Current Capability - Adjustable Input UVLO through EN pin - Low Quiescent Current 70µA - Shutdown Supply Current 3.5μA - Resistor or Inductor DCR Current Sensing - Adjustable Frequency from 50kHz to 1MHz - Progr.

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