VIPER50/SP STMICROELECTRONICS [STMicroelectronics], VIPER50/SP Datasheet - Page 11

• Manufacturer Part Number: VIPER50/SP
• Description: SMPS PRIMARY I.C.
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 13: Off Line Power Supply With Auxiliary Supply Feedback
Figure 14: Off Line Power Supply With Optocoupler Feedback
AC IN
AC IN
F 1
R 9
F1
R9
C 1
C1
R 2
R2
C 5
C5
T R 2
TR2
O SC
OSC
13V
V DD
13V
VDD
B R 1
-
+
BR1
-
+
C 2
C 4
C 11
C2
D 3
C4
C11
C O M P
D3
COMP SOURCE
D 1
S O UR C E
R 7
R 1
R 3
C 6
DR AIN
D1
C 3
R7
R1
R3
C6
DRAIN
C3
V IP er50
VIPer50
TR 1
U 2
IS O 1
TR1
D2
C 7
R 6
VIPer50/SP - VIPer50A/ASP
C1 0
D2
C 8
C7
C10
R 4
R 5
L2
C 9
FC00301
L2
C9
+V cc
G N D
F C 0 0311
+Vcc
GND
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