VIPER50-E Datasheet, PDF (10/29 Pages) STMicroelectronics – SMPS PRIMARY I.C.

4 Typical Circuit
4 Typical Circuit
VIPer50-E
Figure 3. Offline Power Supply With Auxiliary Supply Feedback
F1
TR2
BR1
C1
TR1
AC IN
R9
D1
C2
R1
C3
D3
R7
C4
D2
C7
C10
L2
C9
+Vcc
GND
R2
VDD
-
OSC
13V +
DRAIN
VIPer50
C5
COMP SOURCE
C6
C11
R3
FC00301
Figure 4. Offline Power Supply With Optocoupler Feedback
AC IN
F1
TR2
C1
R9
BR1
C2
D1
R1
TR1
D2
C7
L2
C9
C3
D3
C10
R7
C4
R2
VDD
-
OSC
13V +
DRAIN
U1
V IP er10 0
COMP SOURCE
C5
C6
C 11
R3
R6
ISO1
R4
C8
U2
R5
+V cc
GND
FC00091
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