tda3681 NXP Semiconductors, tda3681 Datasheet - Page 5

• Manufacturer Part Number: tda3681
• Description: Multiple Voltage Regulator With Switch And Ignition Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2004 Mar 31
Multiple voltage regulator with switch and
ignition buffer
HEATTAB
ENSW
EN1/3
C
IGN
EN4
RES
V
V
n.c.
n.c.
P1
IN
P2
(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
IGNITION BUFFER
5
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
(14 V/
100 mA)
(3.3 V/
1 A)
(8.5 V/
600 mA)
(5 V/
300 mA)
(5 V/
1400 mA)
(14 V/
3 A)
Product specification
SW
BU
REG2
REG4
REG3
REG1
HOLD
RES
IGN
TDA3681
OUT