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MAX869L

Maxim
Part Number MAX869L
Manufacturer Maxim
Description P-Channel Switch
Published May 2, 2005
Detailed Description 19-1278; Rev 0; 8/97 2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown _______________General Descr...
Datasheet PDF File MAX869L PDF File

MAX869L
MAX869L

Overview
19-1278; Rev 0; 8/97 2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown _______________General Description The MAX869L P-channel load switch features an accurate user-set current limit and low on-resistance.
This switch is designed to protect your power source from shorts and surges by limiting current and preventing the system supply from being pulled low.
The input voltage range is 2.
7V to 5.
5V.
The MAX869L features a 2A, 45mΩ switch controlled by a logic signal.
Current-limit accuracy is ±21%, and can be set from 400mA to 2.
4A using a single resistor.
The device has a low 12µA quiescent supply current, which reduces to 2µA max in shutdown.
It features thermal-shutdown protection and a logic-signal output pin (FAULT) that signals when there is an overcurrent or overtemperature condition.
For other devices in this family, consult the Selector Guide.
____________________________Features o Very Small Footprint (16-pin QSOP is the same size as an 8-pin SO) o Low Resistance: 45mΩ at 3V o ±21%-Accurate, User-Set Current Limit o 12µA (typ) Quiescent Current o 0.
01µA (typ) Shutdown Current o 0.
04µA (typ) Leakage to Output when Switch is Off o 2.
7V to 5.
5V Input Range o Thermal Shutdown o FAULT Output MAX869L _____________________Selector Guide PART MAX869L MAX890L MAX891L MAX892L MAX894L MAX895L RON AT 3V (mΩ) 45 90 150 300 150 300 NOMINAL CURRENT (A) 2 1 0.
5 0.
25 0.
5 0.
25 COUNT Single Single Single Single Dual Dual PACKAGE 16 QSOP 8 SO 8 µMAX 8 µMAX 8 SO 8 SO ______________Ordering Information PART MAX869LC/D MAX869LEEE TEMP.
RANGE 0°C to +70°C -40°C to +85°C PIN-PACKAGE Dice* 16 QSOP *Dice are specified at TA = +25°C.
__________Typical Operating Circuit ________________________Applications Universal Serial Bus (USB) Notebook Computers Personal Communicators Palmtop Computers Hand-Held Instruments Portable Medical Instruments INPUT 2.
7V TO 5.
5V 1µF* 100k IN OUT OUTPUT UP TO 2A 0.
1µF* MAX869L FAULT GND ON SET ON/OFF RSET Pin Configurat...


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