L4949ED datasheet(1/10 Pages) STMICROELECTRONICS

No de pièce	L4949ED

Description	MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR

PDF	10 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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L4949E

MULTIFUNCTION VERY LOW DROP

VOLTAGE REGULATOR

OPERATING DC SUPPLY VOLTAGE RANGE

5V - 28V

TRANSIENT SUPPLY VOLTAGE UP TO 40V

EXTREMELY LOW QUIESCENT CURRENT

IN STANDBY MODE

HIGH PRECISION STANDBY OUTPUT VOLT-

AGE 5V

±1%

OUTPUT CURRENT CAPABILITY UP TO

100mA

VERY LOW DROPOUT VOLTAGE LESS

THAN 0.5V

RESET CIRCUIT SENSING THE OUTPUT

VOLTAGE

PROGRAMMABLE RESET PULSE DELAY

WITH EXTERNAL CAPACITOR

VOLTAGE SENSE COMPARATOR

THERMAL SHUTDOWN AND SHORT CIR-

CUIT PROTECTIONS

DESCRIPTION

The L4949E is a monolithic integrated 5V voltage

regulator with a very low dropout output and addi-

tional functions as power-on reset and input volt-

age sense. It is designed for supplying the micro-

computer

controlled

systems

especially

in

automotive applications.

June 2000

®

REG

1.23V

REF

SI

SO

RES

GND

D96AT219

PREREGULATOR 5V

VS

2

µ

+

RESET

2V

SENSE

VS

1.23V

CT

VOUT

VZ

BLOCK DIAGRAM

ORDERING NUMBERS: L4949E (Minidip)

L4949ED (SO8)

L4949EP (SO20W)

Minidip

SO8

SO20W (12+4+4)

1/10

Numéro de pièce similaire - L4949ED

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	L4949ED	501Kb / 19P	Multifunction very low drop voltage regulator 25-Nov-2009
	L4949ED-E	475Kb / 19P	Multifunction very low drop voltage regulator 24-Nov-2009
	L4949ED-E	475Kb / 19P	Multifunction very low drop voltage regulator 24-Nov-2009
	L4949ED-E	1Mb / 22P	for car body applications Oct-2013
	L4949ED-E	452Kb / 19P	Automotive multifunction very low drop voltage regulator 24-Sep-2018

More results

Description similaire - L4949ED

Fabricant	No de pièce	Fiches technique	Description
Motorola, Inc	L4949	196Kb / 8P	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
ON Semiconductor	L4949	191Kb / 8P	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR 1998 Rev 1
STMicroelectronics	L4925	69Kb / 8P	VERY LOW DROP VOLTAGE REGULATOR Jun-2000
STMicroelectronics	L4945	43Kb / 6P	5V VERY LOW DROP VOLTAGE REGULATOR Mar-1999
TelCom Semiconductor, I...	TC4949	352Kb / 9P	Multifunction Very Low Dropout Voltage Regulator
STMicroelectronics	LDR1833	407Kb / 16P	Very low drop dual voltage regulator 15-Apr-2008
	L4949ED-E	475Kb / 19P	Multifunction very low drop voltage regulator 24-Nov-2009
	L4949ED013TR	501Kb / 19P	Multifunction very low drop voltage regulator 25-Nov-2009
	CD00257532	475Kb / 19P	Multifunction very low drop voltage regulator 24-Nov-2009
E-Tech Electronics LTD	L2949E	140Kb / 7P	MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR

More results

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