VIPER20A-E STMicroelectronics, VIPER20A-E Datasheet - Page 18

IC SWIT SMPS CM OTP PENTAWATT5

VIPER20A-E

Manufacturer Part Number
VIPER20A-E
Description
IC SWIT SMPS CM OTP PENTAWATT5
Manufacturer
STMicroelectronics
Series
VIPER™r
Datasheet

Specifications of VIPER20A-E

Output Isolation
Isolated
Frequency Range
90 ~ 200kHz
Voltage - Input
8 ~ 15 V
Voltage - Output
700V
Power (watts)
57W
Operating Temperature
25°C ~ 125°C
Package / Case
Pentawatt-5 HV (Bent and Staggered Leads)
Number Of Outputs
1
Output Voltage
700 V (Min)
Output Current
500 mA
Mounting Style
Through Hole
Switching Frequency
200 KHz
Fall Time
100 ns
Rise Time
50 ns
Synchronous Pin
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6796-5
VIPER20A-E
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Operation description
Figure 14. Oscillator
18/34
Ct
Rt
OSC
C t
22nF
15nF
1,000
500
300
200
100
50
30
VDD
1
Ct = 1.5 nF
Ct = 4.7 nF
Ct = 2.7 nF
Ct = 10 nF
Forbidden area
2
Oscillator frequency vs Rt and Ct
3
Forbidden area
5
FC00050
Rt (k )
40kHz
CLK
10
Ct(nF) =
For R
20
FC00030
FC00030
Fsw(kHz)
t
> 1.2k and C
880
30
50
Fsw
t
40KHz
VIPer20A-E

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