VIPER20B 查看數據表（PDF） - STMicroelectronics
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VIPER20B Datasheet PDF : 17 Pages
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VIPer20B / VIPer20BSP
Figure 10: Off Line Power Supply With Auxliary Supply Feedback
ACIN
F1
TR 2
C1
R9
BR 1
C2
D3
C4
D1
R1
C3
R7
TR 1
D2
C7
C1 0
L2
C9
+ Vcc
GND
R2
VDD
-
OSC
13V +
DRAIN
VIPer
COMP SOURCE
C5
C6
C11
R3
FC00402
Figure 11: Off Line Power Supply With Optocoupler Feedback
AC IN
F1
TR2
C1
R9
BR1
TR1
D1
C2
R1
C3
D3
R7
C4
D2
C7
C1 0
L2
C9
+V cc
GND
R2
VDD
DRAIN
-
OSC
13V +
VIP er
COMP SOURCE
C5
C6
C11
R3
R6
ISO1
R4
C8
U2
R5
FC 00412
10/17
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