TLD5098EL Datasheet, PDF (30/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
.
1
Analog Dimming
D/A-Output
µC
+5V
1
IVCC
10 _SET
C_IVCC
V_SET
GND
12
2
Vbb
14
RSET2
IN
10 SET
VSET RSET1
C_filter
GND
12
3
V_IVCC = +5V
RSET2
VSET ^RSET1
1 _IVCC
C_IVCC
10 _SET
C_filter
GND
12
4
V_IVCC = +5V
Rfilter
C_IVCC
1 _IVCC
10 SET
V_SET ~ V_IVCC C_filter
GND
12
5
+5V
CIVCC
1 _IVCC
PWM
PWM output
µC
(e.g. XC866)
Rfilter
Cfilter
10 _SET
V_SET
GND
12
Figure 18 Analog Dimming in various applications
Datasheet
30
Rev. 1.0, 2010-10-13