TLD1125EL Datasheet, PDF (23/36 Pages) Infineon Technologies AG – 1 Channel High Side Current Source Basic LED Driver

9
D Pin
The D pin is designed as a single function pin.
TLD1125EL
D Pin
I_D
D
Output Control
VD
Figure 19 Block Diagram DIS pin
The D pin can be used to extend the open load detection filter time t_OL by adding a small signal capacitor to the D
pin as shown in Figure 26. The filter time t_D, which is defined by the charging current I_D (Pos. 10.3.10). The time
is adjustable according to the following equation:
t_typ
=
C_-----D----⋅_---V_{----D----(-t--h--)}
I_D
(9)
Data Sheet
23
Rev. 1.0, 2013-08-08