TDA3681 Просмотр технического описания (PDF) - NXP Semiconductors.

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Компоненты Описание

производитель

TDA3681

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

Pin description of TDA3681TH

SYMBOL PIN

DESCRIPTION

REG4

1 regulator 4 output

IGNIN

IGNOUT

RES

2 ignition input

3 ignition output (active HIGH)

4 reset output (active LOW)

CRES

EN4

5 reset delay capacitor

6 enable input for regulator 4

EN1/3

7 enable input for regulators 1 and 3

ENSW

8 enable input for power switch

HOLD

9 hold output (active LOW)

GND

10 ground

HEATTAB 11 heat tab connection; note 1

REG2

12 regulator 2 output

BU

13 backup switch output

VP1

14 supply voltage

n.c.

15 not connected

SW

16 power switch output

REG1

17 regulator 1 output

n.c.

18 not connected

REG3

19 regulator 3 output

VP2

20 second supply voltage

Note

1. The pin is used for final test purposes. In the

application it should be connected directly to ground.

handbook, halfpage

VP2 20

REG3 19

n.c. 18

REG1 17

1 REG4

2 IGNIN

3 IGNOUT

4 RES

SW 16

5 CRES

TDA3681TH

n.c. 15

6 EN4

VP1 14

BU 13

7 EN1/3

8 ENSW

REG2 12

9 HOLD

HEATTAB 11

10 GND

MGU329

Fig.4 Pin configuration for TDA3681TH.

2004 Mar 31

7

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