VIPER25 STMicroelectronics, VIPER25 Datasheet - Page 10
VIPER25
Manufacturer Part Number
VIPER25
Description
VIPerPlus family: quasi-resonant high performance off line high voltage converter
Manufacturer
STMicroelectronics
Datasheet
1.VIPER25.pdf
(40 pages)
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Electrical data
Note:
10/40
Figure 4.
Figure 5.
Figure 6.
Adjust V
14 V
DD
14 V
14 V
above V
Minimum turn-on time test circuit
Brown-out threshold test circuits
OVP threshold test circuits
3.5 V
DDon
2 V
GND
VDD
ZCD
FB
start-up threshold before settings to 14 V
2 V
GND
VDD
ZCD
FB
DRAIN
DRAIN
Doc ID 15585 Rev 4
BR
GND
VDD
ZCD
FB
DRAIN
DRAIN
I BRhyst
BR
DRAIN
DRAIN
BR
50 Ω
30 V
10 kΩ
10 kΩ
30 V
30 V
V BRth +V BRhyst
90 %
10 %
I Dlim
V DRAIN
I BRhyst
V OVP
V BRth
V DIS
I DRAIN
I DRAIN
V BR
I BR
V ZCD
V DRAIN
T ONmin
VIPER25
Time
Time
Time
Time
Time
Time
Time