VIPER25 STMicroelectronics, VIPER25 Datasheet - Page 10

• Manufacturer Part Number: VIPER25
• Description: VIPerPlus family: quasi-resonant high performance off line high voltage converter
• Manufacturer: STMicroelectronics

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