VIPER20-E STMicroelectronics, VIPER20-E Datasheet - Page 16
![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
Figure 11. Behaviour of the high voltage current source at start-up
Figure 12. Start-Up Waveforms
16/31
VDDoff
VDDon
VDD
t
Auxiliary primary
winding
15 mA
C
2 mA
VDD
VDD
VIPer20
Start up duty cycle ~ 12%
1 mA
UNDERVOLTAGE
LOCK OUT LOGIC
Ref.
15 mA
3 mA
VIPer20-E/DIP-E
DRAIN
SOURCE
FC00101A