L4979D datasheet(1/10 Pages) STMICROELECTRONICS

部件名	L4979D

功能描述	LOW DROP VOLTAGE REGULATOR

PDF	10 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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L4979D

L4979MD

October 2004

1

FEATURES

■

OPERATING DC SUPPLY VOLTAGE RANGE

5.6V TO 31V

■

LOW QUIESCENT CURRENT

(6

µA Typ. @ 25°C with Enable Low)

■

HIGH PRECISION OUTPUT VOLTAGE (2%)

■

LOW DROPOUT VOLTAGE LESS THAN 0.5V

■

RESET CIRCUIT SENSING THE OUTPUT

VOLTAGE DOWN TO 1V

■

PROGRAMMABLE RESET PULSE DELAY

WITH EXTERNAL CAPACITOR

■

WATCHDOG

■

PROGRAMMABLE WATCHDOG TIMER WITH

EXTERNAL CAPACITOR

■

THERMAL SHUTDOWN AND SHORT

CIRCUIT PROTECTION

■

AUTOMOTIVE TEMPERATURE RANGE

(Tj = -40°C TO 150°C)

■

ENABLE INPUT FOR ENABLING/DISABLING

THE VOLTAGE REGULATOR OUTPUT

LOW DROP VOLTAGE REGULATOR

Figure 2. Block Diagram

Voltage reference

reset

watchdog

Vs

Vi

Wi

Vcw

Vcr

Ctr

Ctw

Res

En

gnd

Vo

Co

5V, 150 mA

Voltage reference

reset

watchdog

Vs

Vi

Wi

Vcw

Vcr

Ctr

Ctw

Res

En

gnd

Vo

Co

5V, 150 mA

Figure 1. Packages

Table 1. Order Codes

Part Number

Package

L4979D

SO-8

L4979MD

SO-20

L4979D13TR

SO-8 Tape & Reel

L4979MD13TR

SO-20 Tape & Reel

SO-8

SO-20

Rev. 5

类似零件编号 - L4979D

制造商	部件名	数据表	功能描述
STMicroelectronics	L4979D	475Kb / 22P	Low drop voltage regulator 19-Sep-2013
	L4979D-E	1Mb / 22P	for car body applications Oct-2013
	L4979D-E	656Kb / 22P	Automotive low dropout voltage regulator 21-Sep-2023
	L4979D013TR	370Kb / 10P	LOW DROP VOLTAGE REGULATOR Feb-2006
	L4979D013TR	475Kb / 22P	Low drop voltage regulator 19-Sep-2013

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类似说明 - L4979D

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