TDA3681 데이터 시트보기 (PDF) - NXP Semiconductors.

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TDA3681

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

handbook, full pagewidth

VP1

internal

voltage reference 1

low battery

detector

internal

voltage

reference 2

output stage

EN1/3

enable

output of

regulation

detector

REGULATOR 1

output stage

TDA3681

REG1

REG3

output of

regulation

enable

detector

OR

&

REGULATOR 3

output stage

REG4

OR

HOLD

output of

buffer

regulation

EN4

enable

detector

REGULATOR 4

TEMPERATURE

PROTECTION

LOAD DUMP

POWER SWITCH

FOLDBACK

MODE

MGL904

2004 Mar 31

Fig.5 Block diagram of the hold circuit.

9

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