TDA3618 Philips Semiconductors, TDA3618 Datasheet - Page 4

• Manufacturer Part Number: TDA3618
• Description: Multiple voltage regulator with switch and ignition buffers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
2001 May 02
handbook, full pagewidth
Multiple voltage regulator with
switch and ignition buffers
IGN2 IN
IGN1 IN
ENSW
C RES
EN3
EN1
V P
11
13
6
1
4
10
5
V th(r) = 7 V, V th(f) = 4.5 V
Fig.1 Block diagram.
BACK-UP CONTROL
14
BACK-UP SWITCH
GND
POWER SWITCH
&
&
&
1
4
IGNITION BUFFER
INVERTER
&
TDA3618AJR
REGULATOR 2
REGULATOR 3
REGULATOR 1
TEMPERATURE
PROTECTION
LOAD DUMP
V reg2
MGU332
15
12
17
16
3
2
9
8
7
SW
BU
REG2
REG3
REG1
RES
HOLD
IGN2 OUT
IGN1 OUT
TDA3618AJR
Product specification