VIPER20-E STMicroelectronics, VIPER20-E Datasheet - Page 20
![IC SWIT SMPS CM OTP PENTAWATT5](/photos/7/33/73313/viper20-e_sml.jpg)
VIPER20-E
Manufacturer Part Number
VIPER20-E
Description
IC SWIT SMPS CM OTP PENTAWATT5
Manufacturer
STMicroelectronics
Series
VIPER™r
Datasheet
1.VIPER20-22-E.pdf
(31 pages)
Specifications of VIPER20-E
Output Isolation
Isolated
Frequency Range
90 ~ 200kHz
Voltage - Input
8 ~ 15 V
Voltage - Output
620V
Power (watts)
57W
Operating Temperature
25°C ~ 125°C
Package / Case
Pentawatt-5 HV (Bent and Staggered Leads)
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6794-5
VIPER20-E
VIPER20-E
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
5 Operation Description
20/31
Figure 17. Mixed Soft Start and Compensation Figure 18. Latched Shut Down
Figure 19. Typical Compensation Network
Figure 21. External Clock Sinchronisation
+ C3
OSC
13V
VDD
C4
-
+
OSC
VIPer20
10 kΩ
COMP
13V
C1
VDD
SOU RCE
R1
DRAIN
+
-
C2
VIPer20
OSC
COMP SOURCE
D1
FC00451
R1
C1
+ C2
13V
VDD
DRAIN
FC00431
R3
R2
+
-
VIPer20
D2
D3
FC00470
COMP SOURCE
AUXILIARY
W INDING
DRAIN
Figure 20. Slope Compensation
Figure 22. Current Limitation Circuit Example
Shutdown
R2
C1
OSC
R1
R3
Q1
R4
13V
VDD
Q2
OSC
R3
13V
+
VDD
-
R1
R2
C2
Q1
R1
R2
+
-
VIPer20
VIPer20
COMP
OSC
COMP SOURCE
FC00480
C3
FC00461
13V
VDD
D1
SOURCE
VIPer20-E/DIP-E
Q1
DRAIN
DRAIN
+
-
VIPer20
FC00440
COMP SOURCE
DRAIN