TDA3681 Ver la hoja de datos (PDF) - Philips Electronics

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fabricante

TDA3681

Multiple voltage regulator with switch and ignition buffer

Philips Electronics 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

BLOCK DIAGRAMS

Product specification

TDA3681

handbook, full pagewidth

(14.4 V) 17

VP1

11

ENSW

3

VP2

9

EN4

10

EN1/3

8

CRES

5

IGNIN

POWER SWITCH

(14 V/

16 3 A)

SW

TEMPERATURE

&

LOAD DUMP

PROTECTION

BACKUP SWITCH

BACKUP CONTROL

REGULATOR 2

&

REGULATOR 4

(14 V/

14 100 mA)

BU

(5 V/

15 300 mA)

REG2

(3.3 V/

4 1 A)

REG4

(5 V/

2 1400 mA)

&

REGULATOR 3

REG3

TDA3681J

TDA3681JR

(8.5 V/

1 600 mA)

&

REGULATOR 1

REG1

OR

&

12

+

7

HOLD

RES

IGNITION BUFFER

13

GND

6

MGL902

IGNOUT

2002 Apr 10

Fig.1 Block diagram of TDA3681J and TDA3681JR.

4

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