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AX3516 - 2.5A Synchronous Step-Down Converter

Description

The AX3516 is a 1.2MHz constant frequency current mode PWM step-down converter.

It is ideal for portable equipment requiring very high current up to 2.5A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions.

Features

  • 2.6V to 5.5V Input Voltage Range Output Voltages from 0.6V to VIN High Efficiency: Up to 94% 1.2MHz Constant Frequency Operation Output Current: Up to 2.5A Output Current for VIN=2.6V~4V Up to 3A Output Current for VIN=4V~5.5V No Schottky Diode Required Current Mode Operation for Excellent Line and Load Transient Response Current limit, Enable function Short Circuit Protect (SCP) Build-in Soft Start function ≤ 1µA Shutdown Current SOP-8L-EP, TDFN-8L and TDFN-10L Pb-Free packages - 1/13 AXElite.

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Datasheet preview – AX3516

Datasheet Details

Part number AX3516
Manufacturer AXElite
File Size 389.84 KB
Description 2.5A Synchronous Step-Down Converter
Datasheet download datasheet AX3516 Datasheet
Additional preview pages of the AX3516 datasheet.

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Full PDF Text Transcription

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AX3516 1.2MHz, 2.5A Synchronous Step-Down Converter  GENERAL DESCRIPTION The AX3516 is a 1.2MHz constant frequency current mode PWM step-down converter. It is ideal for portable equipment requiring very high current up to 2.5A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The AX3516 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The AX3516 can supply up to 2.5A output current from a 2.6V to 4V input voltage and up to 3A output current from a 4V to 5.5V input voltage. The output voltage can be regulated as low as 0.8V.
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