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VIPER319HDTR Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce VIPER319HDTR
Description  Energy saving offline high voltage converter
PDF  39 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER319HDTR Fiches technique(HTML) 23 Page - STMicroelectronics

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Figure 35. Connection for input overvoltage protection (iso/non-iso topologies)
C1
Cs
GND
DRAIN
GND
VCC
UVP
COMP
CONTROL
FB
VIPER31
RH
DIN
RL
~ AC
OVP
CIN
from VAUX or VOUT
C2
R2
Figure 36. Connection for output overvoltage protection (non-iso topologies)
C1
Cs
DOUT
GND
RH
RL
Rfb2
Rfb1
DRAIN
GND
VCC
UVP
COMP
CONTROL
FB
VIPER31
OVP
COUT
VOUT
from VAUX or VOUT
C2
R2
4.14
Undervoltage and overvoltage protection
If both undervoltage and overvoltage protections are required, they can be set independently from each other
through a single voltage divider, as illustrated in the figure below.
VIPER31
General description
DS13285 - Rev 6
page 23/39



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