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LD7831GS Datasheet(PDF) 14 Page - Leadtrend Technology

Part # LD7831GS
Description  High Power Factor Primary Side Flyback LED Controller With HV Start-up
PDF  17 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7831GS Datasheet(HTML) 14 Page - Leadtrend Technology

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LD7831
14
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD7831-DS-00 April 2014
VCC
UVLO(on)
UVLO(off)
t
OVP Tripped
t
OUT
Switching
Switching
Non-Switching
OVP Level
Fig. 19
Fault Protection
There are several critical protections integrated in the
LD7831 to protect the power supply or adapter from
being damaged. Those damages usually come from
open or short condition on the pins of LD7831.
Under the conditions listed below, the gate output will
turn off immediately to protect the power circuit ---
1.
CS pin short and floating
2.
Comp pin short and floating
3.
ZCD short



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