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LP2951A

Semtech Corporation
Part Number LP2951A
Manufacturer Semtech Corporation
Description 150mA ADJUSTABLE VOLTAGE REGULATOR
Published Mar 22, 2005
Detailed Description 150mA ADJUSTABLE VOLTAGE REGULATOR March 17, 1998 LP2951A TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com...
Datasheet PDF File LP2951A PDF File

LP2951A
LP2951A

Overview
150mA ADJUSTABLE VOLTAGE REGULATOR March 17, 1998 LP2951A TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.
semtech.
com DESCRIPTION The LP2951A is an improved version of the LP2951 and features tighter tolerance on the output voltage and reference voltage specifications.
Both the LP2951 and LP2951A feature 150mA output current capability.
The LP2951 series of low power voltage regulators have low quiescent current and low dropout voltage.
The quiescent current increases minimally during dropout conditions thereby extending battery life.
Available in the eight lead SOIC package, the LP2951 series includes features such as shutdown and low output voltage detect (typically due to low battery conditions) .
This function may also be used as a power on reset function when triggered by CMOS or TTL inputs.
The circuit can be used as a fixed voltage 5 volt regulator or adjusted between 1.
24 volts and 29 volts using external resistor pairs.
FEATURES •= Guaranteed 150mA current •= Adjustable output voltage - 1.
24V to 29V •= Accurate 5V output @150mA •= Low dropout voltage - 450mV @ 150mA •= Regulator or reference functions •= Direct replacement for LP2951AC, MIC2951-02, AS2951AC APPLICATIONS •= Microcontroller supplies •= Linear regulators •= Adjustable supplies •= Switching power supplies - post-regulation •= Portable modems •= Battery powered systems •= Cellular telephones •= Voltage references ORDERING INFORMATION DEVICE LP2951ACM (1) BLOCK DIAGRAM VOUTVOLTS ADJ PACKAGE SO-8 Note: (1) Add suffix ‘TR’ for tape and reel.
ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Shutdown Input Voltage Symbol VIN Maximum -0.
3 to 30 -0.
3 to 30 -0.
3 to 30 PD TJ TSTG TLEAD Internally Limited -40 to 125 -65 to 150 260 Units V V V W °C °C °C PIN CONFIGURATION Error Comp.
Output Voltage Power Dissipation Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) 5 Sec 1 © 1998 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320 150mA ADJUSTABLE...


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