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AX3071 - Wide Input Range CC/CV Step Down Controller

Description

The AX3071 is a step down PWM controller with a driving dual output current to 4.8A.

It is designed to allow for operating a wide supply voltage range from 8V to 40V.

The external shutdown function can be controlled by logic level to pull COMP/EN pin down, and then comes into standby mode.

Features

  • VIN Operate with 8V ~ 40V Supply Voltage VOUT Accuracy (VREF =1.0V) ±2.0% Over Line Voltage Dual-Channeling CC/CV Mode Control Cable Compensation External Current Limit Setting Output Over Voltage Protection (~120%) Over Temperature Protection Internal Soft Start ~ 5ms Fixed Frequency 120KHz UVLO Protection (min=7V, typ=7.5V, max=8V) Duty Cycle Range (0~90%) Single Pin to External Compensation and Shutdown Control COUT MLCC support. Built in Adjustable Line-Compensation MSOP-10L Package  APPLI.

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Datasheet Details

Part number AX3071
Manufacturer AXElite
File Size 1.42 MB
Description Wide Input Range CC/CV Step Down Controller
Datasheet download datasheet AX3071 Datasheet

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Full PDF Text Transcription

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AX3071 Wide Input Range CC/CV Step Down Controller  GENERAL DESCRIPTION The AX3071 is a step down PWM controller with a driving dual output current to 4.8A. It is designed to allow for operating a wide supply voltage range from 8V to 40V. The external shutdown function can be controlled by logic level to pull COMP/EN pin down, and then comes into standby mode. The external compensation makes feedback control have good line and load regulation with flexible external design. The AX307 operates in the CC(Constant output Current) mode or CV(Constant output Voltage) mode, and the OCP current value is set by current sensing resisters. The AX3071 is suitable for the DC/DC switching power applications when requested the current limit function.
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