Datasheet > ST890_09

ST890_09

更新时间： 2022-12-20 03:11:16

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		开关
页数	文件大小	规格书
20页	560K
描述
1.2 A current limited high side power switch with thermal shutdown

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ST890_09 数据手册

ST890

1.2 A current limited high side power switch

with thermal shutdown

Features

■ 2.7 V to 5.5 V input range

■ Programmable current limit up to 1.2 A

■ Low quiescent current

SO-8

■ Thermal shutdown

■ Active low FAULT indicator output

■ 90 mΩ (typ.) ON resistance

■ SO-8 and DFN8L (3 x 3 mm) packages

DFN8L

(3 x 3 mm)

Description

Applications

The ST890 is a low voltage, P-channel MOSFET

power switch intended for high side load switching

applications.

■ PCMCIA slots

■ Access bus slots

■ Portable equipment

The switch operates with inputs from 2.7 V to

5.5 V, making it ideal for both 3 V and 5 V

systems.

The internal current limiting circuitry protects the

input supply against overload. The thermal

overload protection limits power dissipation and

junction temperatures.

The maximum current limit is 1.2 A. The current

limit through the switch is programmed with a

resistor from SET to ground. The devices are

available in SO-8 and DFN8L (3 x 3 mm)

packages.

Table 1.

Device summary

Order code

Package

Packaging

ST890BDR

ST890CDR

ST890DTR

SO-8

2500 parts per reel

3000 parts per reel

DFN8L (3 x 3 mm)

March 2009

Rev 8

1/20

www.st.com

12 3 4 5 6 7...20

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