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LD7752 Datasheet(PDF) 3 Page - Leadtrend Technology

Part # LD7752
Description  Green-Mode PWM Controller with HV Start-Up Circuit and Soft Start time Adjustment
PDF  17 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7752 Datasheet(HTML) 3 Page - Leadtrend Technology

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LD7752
3
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD7752-DS-01 June 2013
Block Diagram
OSC
COMP
CS
OUT
internal bias &
Vref
GND
PWM
Comparator
16.0V/
8.0V
Green-Mode
Control
Leading
Edge
Blanking
2R
R
R
S
Q
Vref OK
PG
+
+
Slope
Compensation
28.0V
VCC
0.83V/
0.65V
OLP Delay
Counter
4.5V
OCP
Comparator
OLP
Comparator
OLP
OVP
UVLO
Comparator
Soft-Driving
OVP
Comparator
VCC OK
OLP
PG
Vbias
All
Blocks
Protection
½
Counter
R
S
Q
PDR
1mA
HV
S
R
Q
OTP
Latch Protection
2VF
CT
Soft start timing Control
DSCP



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