TDA3681TH PHILIPS [NXP Semiconductors], TDA3681TH Datasheet - Page 9

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

Philips Semiconductors
2002 Apr 10
handbook, full pagewidth
Multiple voltage regulator with switch and
ignition buffer
EN1/3
EN4
V P1
reference 2
voltage reference 1
internal
voltage
internal
enable
enable
enable
REGULATOR 1
REGULATOR 3
low battery
REGULATOR 4
output stage
output stage
output stage
detector
regulation
regulation
regulation
output of
output of
output of
detector
detector
detector
Fig.5 Block diagram of the hold circuit.
TEMPERATURE
PROTECTION
OR
9
&
LOAD DUMP
TDA3681
POWER SWITCH
FOLDBACK
MODE
OR
Product specification
buffer
MGL904
TDA3681
REG1
REG3
REG4
HOLD