VIPER50-22-E STMicroelectronics, VIPER50-22-E Datasheet - Page 18

IC SWIT PWM SMPS CM PENTAWATT5

VIPER50-22-E

Manufacturer Part Number
VIPER50-22-E
Description
IC SWIT PWM SMPS CM PENTAWATT5
Manufacturer
STMicroelectronics
Series
VIPER™r
Datasheet

Specifications of VIPER50-22-E

Output Isolation
Isolated
Frequency Range
90 ~ 200kHz
Voltage - Input
8 ~ 15 V
Voltage - Output
620V
Power (watts)
60W
Operating Temperature
25°C ~ 125°C
Package / Case
Pentawatt-5 HV (Bent and Staggered Leads)
Number Of Outputs
1
Output Voltage
620 V
Output Current
1500 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
497-7695-5
VIPER50-22-E

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Part Number:
VIPER50-22-E
Manufacturer:
ST
0
5 Operation Description
Figure 14. Oscillator
18/29
Ct
R t
O SC
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
FC 00050
Rt (kΩ)
40kHz
CLK
10
Ct(nF) =
For R
F
20
SW
FC00030
FC00030
Fsw(kHz)
t
=
> 1.2kΩ and C
880
30
---------- -
R
2.3
t
C
t
50
1
Fsw
------------------- -
R
t
550
t
150
≤ 40KHz
VIPer50-E

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