tda3681a NXP Semiconductors, tda3681a Datasheet - Page 5

• Manufacturer Part Number: tda3681a
• Description: Tda3681a Multiple Voltage Regulator With Switch And Ignition Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
Note
1. The pin is used for final test purposes. In the
2003 Aug 29
REG4
IGN
IGN
RES
C
EN4
EN1/3
ENSW
HOLD
GND
HEATTAB 11
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
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
PIN
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
first supply voltage
not connected
power switch output
regulator 1 output
not connected
regulator 3 output
second supply voltage
DESCRIPTION
5
handbook, halfpage
HEATTAB
REG3
REG1
REG2
V P2
V P1
n.c.
SW
n.c.
BU
Fig.2 Pin configuration.
19
18
17
16
15
14
13
12
11
20
TDA3681ATH
MGU563
10
Product specification
1
2
3
4
5
6
7
8
9
TDA3681A
REG4
IGN IN
IGN OUT
RES
C RES
EN4
EN1/3
ENSW
HOLD
GND