SC1543 查看數據表（PDF） - Semtech Corporation

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SC1543

400mA/200mA Dual 3.3V Smart Power Switch

Semtech Corporation 

400mA/200mA Dual 3.3V Smart

Power Switch

SC1543

PRELIMINARY - October 9, 2000

ELECTRICAL CHARACTERISTICS(1) (Cont.)

Unless specified, TA = 25°C, SHDN = 0V, CO = 10µF, IO = 400mA (when power is being supplied from VIN1, 200mA when power is being sup-

plied from VIN2). Values in bold apply over full operating temperature range.

Parameter

Symbol

Conditions

Min Typ Max Units

SHDN

Input High Voltage

VIH

Input Low Voltage

VIL

Over Temperature Protection

High Trip Level

Hysteresis

THI

THYS

1.8

V

0.4 V

165

°C

20

°C

NOTES:

(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.

(2) Guaranteed by design.

OUTPUT TRUTH TABLE

Input Conditions(1)

VOUT

VIN1 > VTH

VIN1 < VTH

Connected to VIN1

Connected to greater of VIN1 and VIN2

NOTES:

(1) See Electrical Characteristics for definition for VTH.

© 2000 SEMTECH CORP.

3

652 MITCHELL ROAD NEWBURY PARK CA 91320

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