Datasheet > ASP8500

ASP8500

更新时间： 2024-11-21 17:15:39

品牌	Logo	应用领域
安森德 - ASDsemi		/
页数	文件大小	规格书
14页	1808K
描述
SOT23-6

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中文翻译

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数据手册

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ASP8500 数据手册

ASP8500

55V 600mA 850KHz Sync Step-Down Regulator

Features

•

500mΩ/300mΩ Low R_DS(ON)Internal Power

MOSFETs

Output Adjustable from 0.8/0.765/0.6V

No Schottky Diode Required

Integrated internal compensation

Thermal Shutdown

•

Wide 4.5V to 45V Operating Input Range

Standoff Voltage: 55V

•

600mA Continuous Output Current

850KHz Switching Frequency

Short Protection with Foldback-Mode

Built-in Over Current Limit

Built-in Over Voltage Protection

PSM Mode for High Efficiency in Light Load

Internal Soft-Start

Available in SOT23-6 Package

-40°C to +85°C Temperature Range

Applications

•

Industrial Distributed Power Applications

Portable Hand-Held Instruments

•

Battery-Powered Equipment

Portable Media Players

General Description

The ASP8500 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(500mꢀ/300mꢀ typical) internal switch for maximum efficiency (92% typical). Supports PSM

mode, the operating frequency is fixed at 850kHz, 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 55V.

The ASP8500 supports 600mA 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

ASP8500 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

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