STMPS2141STR datasheet(1/34 Pages) STMICROELECTRONICS

部件名	STMPS2141STR

功能描述	Enhanced single channel power switches

PDF	34 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 34 page

July 2009

Doc ID 13793 Rev 4

1/34

34

STMPS2141, STMPS2151

STMPS2161, STMPS2171

Enhanced single channel power switches

Features

■ 90 m

Ω high-side MOSFET switch

■ 500/1000 mA continuous current

■ Thermal and short-circuit protection with

overcurrent logic output

■ Operating range from 2.7 V to 5.5 V

■ CMOS- and TTL-compatible enable inputs

■ Undervoltage lockout (UVLO)

■ 12 µA maximum standby supply current

■ Ambient temperature range, -40°C to 85°C

■ 8 kV ESD protection

■ Reverse current protection

■ Fault-blanking

Description

The STMPS2141, STMPS2151, STMPS2161,

STMPS2171 power distribution switches are

intended for applications where heavy capacitive

loads and short circuits are likely to be

encountered. These devices incorporate 90 m

Ω

N-channel MOSFET high-side power switches for

power-distribution. These switches are controlled

by a logic enable input.

Table 1.

Device summary

When the output load exceeds the current-limit

threshold or a short is present, the device limits

the output current to a safe level by switching into

a constant-current mode. When continuous heavy

overloads and short circuits increase the power

dissipation in the switch, causing the junction

temperature to rise, a thermal protection circuit

shuts the switch off to prevent damage. Recovery

from a thermal shutdown is automatic once the

device has cooled sufficiently. Internal circuitry

ensures the switch remains off until a valid input

voltage is present.

SOT23-5L

SO-8

MSOP8

Order codes

Current limit

(mA)

Enable

SO-8

SOT23-5L

MSOP8(1)

STMPS2141MTR

STMPS2141STR

STMPS2141TTR

500

Active low

STMPS2151MTR

STMPS2151STR

STMPS2151TTR

500

Active high

STMPS2161MTR

STMPS2161STR

STMPS2161TTR

1000

Active low

STMPS2171MTR

STMPS2171STR

STMPS2171TTR

1000

Active high

1.

MSOP8 package is also known as “TSSOP8”

www.st.com

类似零件编号 - STMPS2141STR

制造商	部件名	数据表	功能描述
STMicroelectronics	STMPS2141STR	1Mb / 30P	Enhanced single channel power switches 24-Jan-2008

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