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VIPER25HD Datasheet(PDF) 10 Page - STMicroelectronics

Part No. VIPER25HD
Description  Off-line high voltage converters
Download  40 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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VIPER25HD Datasheet(HTML) 10 Page - STMicroelectronics

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 10 / 40 page
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Electrical data
VIPER25
10/40
Doc ID 15585 Rev 4
Figure 4.
Minimum turn-on time test circuit
Figure 5.
Brown-out threshold test circuits
Figure 6.
OVP threshold test circuits
Note:
Adjust VDD above VDDon start-up threshold before settings to 14 V
14 V
3.5 V
50
Ω
30 V
GND
ZCD
FB
VDD
DRAIN
BR
DRAIN
VDRAIN
IDRAIN
IDlim
Time
Time
TONmin
90 %
10 %
GND
ZCD
FB
VDD
DRAIN
BR
DRAIN
14 V
2 V
10 k
Ω
30 V
IBRhyst
VBRth+VBRhyst
VBRth
VBR
IBR
VDIS
IBRhyst
IDRAIN
Time
Time
Time
GND
ZCD
FB
VDD
DRAIN
BR
DRAIN
VOVP
VZCD
VDRAIN
14 V
2 V
10 k
Ω
30 V
Time
Time


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