TLE4471_09 Datasheet, PDF (4/24 Pages) Infineon Technologies AG – Triple Voltage Regulator

TLE 4471
Table 1
Pin No.
14
15
16
17
18
19
Pin Definitions and Functions (cont’d)
Symbol Function
EN
Enable Input; enables Q3
REF3 Reference Output; Reference Voltage related to Q3.
E3
Enable 3; Enable for Main Output Q1 and Q2; E1, E2 and E3 are
ored together; connect to GND, if not needed.
Q3
Tracker Output Q3; block to GND with min. 10 µF with ESR < 3 Ω.
W
Watchdog Trigger Input; positive edge triggered input for
monitoring a microcontroller.
DW
Watchdog Delay; connect a capacitor to GND for watchdog
trigger time adjustment.
Data Sheet
4
Rev. 1.6, 2009-02-03