TDA3681TH Просмотр технического описания (PDF) - NXP Semiconductors.

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TDA3681TH

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

PINNING

Pin description of TDA3681J and TDA3681JR

SYMBOL

REG1

REG3

VP2

REG4

IGNIN

IGNOUT

RES

CRES

EN4

EN1/3

ENSW

HOLD

GND

BU

REG2

SW

VP1

PIN

DESCRIPTION

1 regulator 1 output

2 regulator 3 output

3 second supply voltage

4 regulator 4 output

5 ignition input

6 ignition output (active HIGH)

7 reset output (active LOW)

8 reset delay capacitor

9 enable input for regulator 4

10 enable input for regulators 1 and 3

11 enable input for power switch

12 hold output (active LOW)

13 ground; note 1

14 backup switch output

15 regulator 2 output

16 power switch output

17 supply voltage

Note

1. The heat tab is internally connected to pin GND.

handbook, halfpage

REG1 1

REG3 2

VP2 3

REG4 4

IGNIN 5

IGNOUT 6

RES 7

CRES 8

EN4 9 TDA3681J

TDA3681JR

EN1/3 10

ENSW 11

HOLD 12

GND 13

BU 14

REG2 15

SW 16

VP1 17

MGL903

Fig.3 Pin configuration for TDA3681J and

TDA3681JR.

2004 Mar 31

6

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