Datasheet

Data Sheet 4 Rev. 1.6, 2009-02-03
TLE 4471
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.
Table 1 Pin Definitions and Functions (cont’d)
Pin No. Symbol Function