TDA3681TH PHILIPS [NXP Semiconductors], TDA3681TH Datasheet - Page 7

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

Philips Semiconductors
Pin description of TDA3681TH
Note
1. The pin is used for final test purposes. In the
2002 Apr 10
REG4
IGN
IGN
RES
C
EN4
EN1/3
ENSW
HOLD
GND
HEATTAB
REG2
BU
V
n.c.
SW
REG1
n.c.
REG3
V
SYMBOL
P1
P2
RES
Multiple voltage regulator with switch and
ignition buffer
application it should be connected directly to ground.
IN
OUT
PIN
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
regulator 4 output
ignition input
ignition output (active HIGH)
reset output (active LOW)
reset delay capacitor
enable input for regulator 4
enable input for regulators 1 and 3
enable input for power switch
hold output (active LOW)
ground
heat tab connection; note 1
regulator 2 output
backup switch output
supply voltage
not connected
power switch output
regulator 1 output
not connected
regulator 3 output
second supply voltage
DESCRIPTION
7
handbook, halfpage
Fig.4 Pin configuration for TDA3681TH.
HEATTAB
REG3
REG1
REG2
V P2
V P1
n.c.
SW
n.c.
BU
19
18
17
16
15
14
13
12
11
20
TDA3681TH
MGU329
10
Product specification
1
2
3
4
5
6
7
8
9
REG4
IGN IN
IGN OUT
RES
C RES
EN4
EN1/3
ENSW
HOLD
GND
TDA3681