Datasheet > ASP8411

ASP8411

更新时间： 2024-11-19 17:15:51

品牌	Logo	应用领域
安森德 - ASDsemi		/
页数	文件大小	规格书
13页	987K
描述
SOT23-6

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数据手册

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ASP8411 数据手册

ASP8411

42V 1.2A Synchronous Step-Down Regulator

Features

•

Wide 4V to 38V Operating Input Range

•

250mΩ/150mΩ Low R_DS(ON)Internal Power

MOSFETs

Standoff Voltage: 42V

1.2A Continuous Output Current

800KHz Switching Frequency

Short Protection with Foldback-Mode

Built-in Over Current Limit

Built-in Over Voltage Protection

Support PSM Mode

•

Output Adjustable from 0.8V

No Schottky Diode Required

Integrated internal compensation

Thermal Shutdown

Available in SOT23-6 Package

-40°C to +85°C Temperature Range

Internal Soft-Start

Applications

•

Battery-Powered Equipment

Portable Media Players

•

Industrial Distributed Power Applications

Portable Hand-Held Instruments

General Description

The ASP8411 device is high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, it

is suitable for a wide range of applications, such as power conditioning from unregulated sources. It features a

low R_DSON(250mΩ/150mΩ typical) internal switch for maximum efficiency (92% typical). Supports PSM

mode, the operating frequency is fixed at 800kHz, allowing the use of small external components while still being

able to have low output voltage ripple. With OVP function, the IC can stand off input voltage as high as 42V.

The ASP8411 supports 1.2A continuous output current, and it has a 0.8V nominal feedback voltage.

Additional features include: thermal shutdown, V_INundervoltage lockout, and gate drive undervoltage lockout. The

ASP8411 is available in a low-profile SOT23-6 package.

Typical Application Circuit

C₁

L₁

V_OUT

V_IN

C_OUT

R₁

C_FF

ON/

OFF

C_IN

GND

R₂

Basic Application Circuit

Ascend Semicondutor Co.,Ltd

DEC 2018 Version1.0

1/13

12 3 4 5 6 7...13

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