TLD2311EL Datasheet, PDF (17/34 Pages) Infineon Technologies AG – 3 Channel High Side Current Source Basic LED Driver

Microcontroller
(e.g. XC866)
Figure 8
V_DDP = 5 V
OUT ^RSET/2
IN
R_SET/2
IN_SET
Current
adjust
Basic LED Driver
Status
ST
GND
Schematics IN_SET interface to µC, diagnosis via IN_SET pin
Microcontroller
(e.g. XC866)
OUT
IN
V_DDP = 5 V
R_SET
optional
IN_SET
Current
adjust
Basic LED Driver
Status
ST
GND
Figure 9 Schematics IN_SET interface to µC, diagnosis via ST pin
The resulting switching times are shown in Figure 10:
I_{IN_ SET}
I_OUT
100%
80%
t_{ON (IN_ SET )}
t_{OFF(IN _ SET)}
TLD2311EL
IN_SETx Pin
t
20%
t
Figure 10 Switching times via IN_SET
Data Sheet
17
Rev. 1.0, 2013-08-08