TLE4473GV52 Datasheet, PDF (2/15 Pages) Infineon Technologies AG – Dual Low Drop Voltage Regulator

TLE 4473 GV53
TLE 4473 GV52
The low drop regulator features a reset with adjustable power on delay for each of the
outputs. In addition the output for the microcontroller supply comes up with a watchdog
in order to supervise a microcontroller.
V_Bat
7I
TLE 4473 GV53 / TLE 4473 GV52
Overtemperature
Shutdown
Bandgap
Reference
Current and
Saturation
Control,
Overcurrent
Protection
Q2 4
10
µF
Reset RO2 2
Generator
e. g. µC I/O
or Sensor
Supply
4.7 kΩ
µC
9 INH2
?1
Inhibit
D2 10
100 nF
Ignition
8 INH1
Inhibit
Current and
Saturation
Control,
Overcurrent
Protection
6, 12
GND
Q1 5
Reset RO1 3
Generator
22 µF
or
10 µF
µC Core
Supply
4.7 kΩ
µC
Reset
Watchdog
WI 1
Watchdog
(from µC)
D1 11
100 nF
AEB03507.VSD
Figure 1 Block Diagram with Typical External Components
Data Sheet
2
Rev. 1.0, 2004-07-14