STEVAL-ILL055V1 Datasheet, PDF (2/4 Pages) STMicroelectronics – High-efficiency isolated offline LED drive with 11 W fixed output

Schematic diagram
STEVAL-ILL055V1
1
Schematic diagram
Figure 1: STEVAL-ILL055V1 circuit schematic
R15
1W
10R
P1
L1
3.3mH
BD1
C1
68nF
R17
330k
C2
100nF
R18
330k
HVLED815PF
C10
C3
R1
2.2nF
1nF 120k
D3
T1
+ LED
STPS3150UF
D1
P2
U1
C12
25V
C13
470uF ^50V
C14
50V
R12
150k
2
1
10uF 10uF
R9
10R
D2
R8
1N4148
47k
- LED
R5
C5
5k1
1uF
D4
R7
1N4148 ^12k
C7
1nF
R2 R3
3R6 1R5
C8
100nF
R19
C4 C15
3k
C6
10uF 22uF
C21
470nF
GND
68nF
GSPG0904140910SG
2/4
DocID026196 Rev 1