VIPER20 STMicroelectronics, VIPER20 Datasheet - Page 11

• Manufacturer Part Number: VIPER20
• Manufacturer: STMicroelectronics

Specifications of VIPER20

• Pwm Type: Current Mode PWM Controller
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 200kHz
• Operating Supply Voltage (max): 15V
• Output Current: 500mA
• Output Voltage: 620V
• Synchronous Pin: No
• Rise Time: 50ns
• Fall Time: 100ns
• Mounting: Through Hole
• Pin Count: 5 +Tab
• Package Type: PENTAWATT HV
• Lead Free Status / Rohs Status: Not Compliant

Figure 13: Off Line Power Supply With Auxiliary Supply Feedback
Figure 14: Off Line Power Supply With Optocoupler Feedback
AC IN
AC I N
F1
F1
R 9
R9
C1
C1
R2
R2
C 5
C5
TR2
TR2
OS C
OSC
1 3V
VDD
13V
VDD
BR 1
-
+
BR1
-
+
C2
C4
C 11
C2
D3
C4
C11
COMP
D3
COMP SOURCE
D1
SO URCE
R 7
R1
R3
C 6
DRAIN
D1
C 3
R7
R1
R3
C6
DRAIN
C3
V IP er20
VIPer20/SP/DIP - VIPer20A/ASP/ADIP
VIPer20
TR1
U2
I SO 1
TR1
D2
C7
R6
C10
D2
C8
C7
C10
R4
R5
L2
C9
FC00401
L2
C9
+Vcc
GND
FC0 0411
+Vcc
GND
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