AX5520 Datasheet PDF

AXElite AX5520

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). The 2.7V to 18V(MT AX5520) or 30V(AX5521) input voltage range supports a wide range of battery and AC powered inputs.

Part No.	AX5520
Datasheet	AX5520 Download
Manufacturer	AXElite
Description	20A Fully Integrated Synchronous Boost Converter
Buy	Stock & Price

GENERAL DESCRIPTION

Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, allowing the AX5520/ AX5521 to be used in high power step-up applications. The 70µA no load quiescent current extends operating run time in battery-powered systems. The operating frequency can be externally set for a 50kHz to 1MHz range. The AX5520/ AX5521 implements a programmable soft-start function, an adjustable cycle by cycle switching peak current limit function and thermal shutdown protection. The AX5520/ AX5521 is available in a small 20 pin 4mm × 4mm WQFN package. 

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 Sup...