TDA3681TH PHILIPS [NXP Semiconductors], TDA3681TH Datasheet - Page 5

• Manufacturer Part Number: TDA3681TH
• Description: Multiple voltage regulator with switch and ignition buffer
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2002 Apr 10
handbook, full pagewidth
Multiple voltage regulator with switch and
ignition buffer
HEATTAB
ENSW
C RES
IGN IN
EN1/3
V P1
EN4
V P2
n.c.
n.c.
(14.4 V)
11
15
18
8
7
5
2
14
20
6
Fig.2 Block diagram of TDA3681TH.
BACKUP CONTROL
BACKUP SWITCH
POWER SWITCH
&
&
&
&
OR
5
IGNITION BUFFER
10
GND
&
TDA3681TH
REGULATOR 2
REGULATOR 4
REGULATOR 3
REGULATOR 1
TEMPERATURE
PROTECTION
LOAD DUMP
MGU353
16
13
12
19
17
1
9
4
3
(3.3 V/
1 A)
(8.5 V/
600 mA)
(14 V/
100 mA)
(5 V/
300 mA)
(5 V/
1400 mA)
(14 V/
3 A)
Product specification
SW
BU
REG2
REG4
REG3
REG1
HOLD
RES
IGN OUT
TDA3681