TDA3681ATH View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

TDA3681ATH

Multiple voltage regulator with switch and ignition buffer

Philips Electronics 

Philips Semiconductors

Multiple voltage regulator with

switch and ignition buffer

BLOCK DIAGRAM

Product specification

TDA3681A

handbook, full pagewidth

(14.4 V) 14

VP1

8

ENSW

(14.4 V) 20

VP2

6

EN4

HEATTAB

11

n.c.

15

n.c.

18

7

EN1/3

5

CRES

2

IGNIN

2003 Aug 29

POWER SWITCH

(14 V/

16 3 A)

SW

TEMPERATURE

&

LOAD DUMP

PROTECTION

BACKUP SWITCH

BACKUP CONTROL

REGULATOR 2

&

REGULATOR 4

(14 V/

13 100 mA)

BU

(5 V/

12 300 mA)

REG2

(3.3 V/

1 1 A)

REG4

(5 V/

19 1400 mA)

&

REGULATOR 3

REG3

TDA3681A

(8.5 V/

17 600 mA)

&

REGULATOR 1

REG1

9

HOLD

+

4

RES

IGNITION BUFFER

10

GND

3

MGU561

IGNOUT

Fig.1 Block diagram.

4

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