Datasheet > GRM32ER71H475K

GRM32ER71H475K

更新时间： 2024-11-04 12:29:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器开关
页数	文件大小	规格书
43页	784K
描述
3 A step-down switching regulator

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GRM32ER71H475K 数据手册

L7986TA

3 A step-down switching regulator

Datasheet − production data

Features

■ 3 A DC output current

■ 4.5 V to 38 V input voltage

■ Output voltage adjustable from 0.6 V

HSOP8 exposed pad

■ 250 kHz switching frequency, programmable

up to 1 MHz

■ Internal soft-start and enable

■ Low dropout operation: 100% duty cycle

■ Voltage feed-forward

Description

The L7986TA is a step-down switching regulator

with 3.7 A (min.) current limited embedded power

MOSFET, so it is able to deliver up to 3 A current

to the load depending on the application

conditions.

■ Zero load current operation

■ Overcurrent and thermal protection

■ HSOP8 package

■ Guarantee overtemperature range (-40 °C to

The input voltage can range from 4.5 V to 38 V,

while the output voltage can be set starting from

0.6 V to V_IN.

125 °C)

Applications

Requiring a minimum set of external components,

the device includes an internal 250 kHz switching

frequency oscillator that can be externally

adjusted up to 1 MHz.

■ Automotive:

– Car audio, car infotainment

■ Industrial:

The HSOP package with exposed pad allows the

reduction of R_thJAdown to 40 °C/W.

– PLD, PLA, FPGA, chargers

■ Networking: XDSL, modems, DC-DC modules

■ Computer:

– Optical storage, hard disk drive, printers

■ LED driving

October 2012

Doc ID 022098 Rev 3

1/43

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...43

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