TLE4471 Datasheet, PDF (4/26 Pages) Infineon Technologies AG – Triple Voltage Regulator

TLE 4471
Pin Definitions and Functions (cont’d)
Pin No. Symbol Function
14
EN
Enable Input; enables Q3
15
REF3 Reference Output; Reference Voltage related to Q3.
16
E3
Enable 3: Enable for Main Output Q1 and Q2; E1, E2 and E3 are
ored together; connect to GND, if not needed.
17
Q3
Tracker Output Q3; block to GND with min. 10 µF with
ESR < 3 Ω.
18
W
Watchdog Trigger Input; positive edge triggered input for
monitoring a microcontroller.
19
DW
Watchdog Delay; connect a capacitor to GND for watchdog
trigger time adjustment.
Data Sheet Rev. 1.1
4
2001-09-06