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发布者:来自网络 发布时间:2016-12-30 阅读:125次    关键字: DC-DC
AX3075-双输出CC/CV QC3.0车载快充IC


AX3075-Wide input Range CC/CV Step-down Controller DataSheet

AMN4008    AMS4210

AX3075新商品快報與應用指南-2016年3月

AX3075 Application note 

AX3075+AMN4008+CHY103 QC3.0 Test Report

GENERAL DESCRIPTION 
    The AX3075/A is a step down PWM controller with a driving dual output current to 3.4A. It is designed to allow for operating a wide supply voltage range from 9V to 40V. The external shutdown function can be controlled by logic level to pull COMP 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 AX3075/A 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 AX3075/A is suitable for the DC/DC switching power applications when requested the current limit function. The devices are available in TDFN-10L packages and require very few external devices for operation.

FEATURES
- VIN Operate with 9V ~ 40V Supply Voltage
- VOUT Accuracy (VREF =1.0V) ±2.0%
- Dual-Channeling CC/CV Mode Control
- External Current Limit Setting for 2 channel
- Over Temperature Protection
- Internal Soft Start ~ 3ms
- Fixed Frequency 120KHz/250KHz
- UVLO Protection (min=7V, typ=7.5V, max=8V)
- Duty Cycle Range (0~93%)
- Single Pin to External Compensation and Shutdown Control
- COUT MLCC support.
- Built in Adjustable Line-Compensation
- TDFN-10L Package

APPLICATION
- Car Charger
- High-Brightness Lighting
- Portable Charger Devices
- General-Purpose DC/DC Controller with Current Limit

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