tda3681 NXP Semiconductors, tda3681 Datasheet - Page 4

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

Philips Semiconductors
BLOCK DIAGRAMS
2004 Mar 31
Multiple voltage regulator with switch and
ignition buffer
ENSW
EN1/3
IGN
C
RES
EN4
V
V
P1
P2
IN
(14.4 V)
8
17
11
10
5
3
9
Fig.1 Block diagram of TDA3681J and TDA3681JR.
BACKUP CONTROL
BACKUP SWITCH
POWER SWITCH
&
&
&
&
OR
IGNITION BUFFER
4
13
GND
&
TDA3681JR
REGULATOR 2
REGULATOR 4
REGULATOR 3
REGULATOR 1
TDA3681J
TEMPERATURE
PROTECTION
LOAD DUMP
mgl902
15
12
16
14
4
2
1
7
6
(14 V/
100 mA)
(5 V/
300 mA)
(3.3 V/
1 A)
(5 V/
1400 mA)
(8.5 V/
600 mA)
(14 V/
3 A)
Product specification
SW
BU
REG2
REG4
REG3
REG1
HOLD
RES
IGN
OUT
TDA3681