tda3681 NXP Semiconductors, tda3681 Datasheet - Page 6

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

Philips Semiconductors
PINNING
Pin description of TDA3681J and TDA3681JR
Note
1. The heat tab is internally connected to pin GND.
2004 Mar 31
REG1
REG3
V
REG4
IGN
IGN
RES
C
EN4
EN1/3
ENSW
HOLD
GND
BU
REG2
SW
V
SYMBOL
P2
P1
RES
Multiple voltage regulator with switch and
ignition buffer
IN
OUT
PIN
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
regulator 1 output
regulator 3 output
second supply voltage
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; note 1
backup switch output
regulator 2 output
power switch output
supply voltage
DESCRIPTION
6
handbook, halfpage
Fig.3
Pin configuration for TDA3681J and
TDA3681JR.
IGN OUT
ENSW
IGN IN
C RES
EN1/3
HOLD
REG1
REG3
REG4
REG2
GND
RES
EN4
V P2
V P1
SW
BU
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
TDA3681JR
TDA3681J
MGL903
Product specification
TDA3681