TDA3681TH/N2S,518 データシートの表示（PDF） - NXP Semiconductors.

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TDA3681TH/N2S,518

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

BLOCK DIAGRAMS

Product specification

TDA3681

(14.4 V) 17

VP1

POWER SWITCH

(14 V/

16 3 A)

SW

ENSW

VP2

EN4

EN1/3

CRES

IGNIN

2004 Mar 31

11

TEMPERATURE

&

LOAD DUMP

PROTECTION

BACKUP SWITCH

(14 V/

14 100 mA)

BU

BACKUP CONTROL

REGULATOR 2

(5 V/

15 300 mA)

REG2

3

(3.3 V/

4 1 A)

&

REGULATOR 4

REG4

9

(5 V/

2 1400 mA)

&

REGULATOR 3

REG3

TDA3681J

TDA3681JR

(8.5 V/

1 600 mA)

&

REGULATOR 1

REG1

10

12

HOLD

OR

&

+

7

8

5

6

IGNITION BUFFER

13

GND

mgl902

Fig.1 Block diagram of TDA3681J and TDA3681JR.

RES

IGNOUT

4

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