TIL5942 Datasheet, PDF (14/19 Pages) Texas Instruments – CURRENT-MODE-PWM CONTROLLER WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER

L
N
J1
F1
3A
R1
680 kΩ,
0.5 W
RT1
L1
t°
MV1
275 V _C1
0.33 µF,
250 V
C3
470 pF,
250 V
C2
470 pF,
250 V
R5
0.62 Ω
Q1
IRFBC40
R11
1 kΩ
C26
470 pF
CR2
R4
150 Ω
R6
1O kΩ
BR1
AC +
AC –
+
C4
120 µF,
R18
400 V
T1
C6
CR6
R2
750 kΩ
R3
4.7 Ω
CR1
+
C5
100 µF,
25 V
C22
C23
C24
0.1 µF
C27
1000 pF
C28
1 µF,
63 V
C7
0.1 µF
16
15
14
R10 ₁₃
12 kΩ
12
11
U1
TIL5942,
TIL5942A
10
9
C25
0.1 µF,
63 V
SECONDARY
C20 +
C19 +
CR5
100 µF,
25 V
470 µF
GND
IN
OUT
R9
C29
100 Ω _{0.001 µF,}
100 V
R8 ^C16
U2
uA79M12CKC
L2
CR4
C15 ⁺
470 µF,
R7 ^C10
CR3
C12 ⁺
2200 µF,
C17 ⁺
100 µF,
L3
C11 ⁺
470 µF,
C21
0.1 µF,
63 V
J2
5
– 12 V
4
GND
3
12 V
C18
0.1 µF
2
GND
1
5V
C14
R17
0.1 µF
R15
1
C9
2
3
4
R16 _C8
5
NC
6
NC
7
NC
8
NC
R12
CR7
Q2
R14
100 Ω
R13
C13
0.1 µF
Figure 23. Off-Line Power-Supply Application