Datasheet > ASP9430

ASP9430

更新时间： 2024-09-14 17:15:51

品牌	Logo	应用领域
安森德 - ASDsemi		/
页数	文件大小	规格书
14页	912K
描述
ESOP8

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ASP9430 数据手册

ASP9430

38V 3A 500KHz ECOT PSM Sync Step-Down Regulator

Features

•

Wide 4.5V to 38V Operating Input Range

•

25mΩ/15mΩ Low R_DS(ON)Internal Power

MOSFETs

3A Continuous Output Current

500K Switching Frequency

ECOT Mode Control with Fast Transient

Response

•

Output Adjustable from 0.6/0.8/0.765/0.923V

No Schottky Diode Required

Short Protection with Hiccup-Mode

Integrated internal compensation

Thermal Shutdown

•

Built-in Over Current Limit

Built-in Over Voltage Protection

PSM Mode for High Efficiency in Light Load

Internal Soft-Start

Available in ESOP8 Package

-40°C to +85°C Temperature Range

Applications

•

Printer Systems

•

Automotive Systems

Industrial Power Systems

Distributed Power Systems

Network Terminal Equipment

Security Monitoring Camera

General Description

The ASP9430 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal

power MOSFETs. ASP9430 provides different frequency and FB versions, which can be selected according

to different applications. It offers a very compact solution to provide a 3A continuous output current over a

wide input supply range, with excellent load and line regulation. ECOT PSM control operation provides very

fast transient response and easy loop design as well as very tight output regulation.

The ASP9430 requires a minimal number of readily available, external components and is available in an

ESOP8 package.

Typical Application Circuit

C₁

BST

L₁

V_OUT

V_IN

C_OUT

R₁

C_FF

Opt.

ON/

OFF

C_IN

GND/EPAD

R₂

Basic Application Circuit

Ascend Semicondutor Co.,Ltd

NOV 2018 Version1.0

1/14

12 3 4 5 6 7...14

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