l4979md13tr STMicroelectronics, l4979md13tr Datasheet

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l4979md13tr

Manufacturer Part Number

l4979md13tr

Description

Low Drop Voltage Regulator

Manufacturer

STMicroelectronics

Datasheet

1.L4979MD13TR.pdf (10 pages)

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BOSTOCK HK LIMITED

Part Number:

L4979MD13TR

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Figure 2. Block Diagram

October 2004

OPERATING DC SUPPLY VOLTAGE RANGE

5.6V TO 31V

LOW QUIESCENT CURRENT

(6 A 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

FEATURES

Ctw

Ctw

Ctr

Ctr

Vi

Vi

Vcw

Vcw

Vcr

Vcr

Wi

Wi

Vs

Vs

watchdog

watchdog

LOW DROP VOLTAGE REGULATOR

Voltage reference

Voltage reference

reset

reset

Figure 1. Packages

Table 1. Order Codes

L4979MD13TR

Part Number

L4979D13TR

L4979MD

L4979D

SO-8

5V, 150 mA

5V, 150 mA

Vo

Vo

Res

Res

En

En

gnd

gnd

SO-20 Tape & Reel

Co

Co

SO-8 Tape & Reel

L4979MD

SO-20

Package

L4979D

SO-20

SO-8

Rev. 5

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