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LD7552BGS Datasheet(PDF) 12 Page - Leadtrend Technology

Part # LD7552BGS
Description  Green-Mode PWM Controller with Integrated Protections
PDF  16 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7552BGS Datasheet(HTML) 12 Page - Leadtrend Technology

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LD7552B
12
Leadtrend Technology Corporation
LD7552B-DS-01a January 2008
Reference Application Circuit #1 --- 40W (5V/2A & 12V/2.5A) Adapter with
2-Stage Startup Circuit
Pin < 0.3W when Pout = 0W
photocoupler
IC1
R10
Q1
R8
IC2
R54
CY1
C6
R9
C5
RT
LD7552B
RT
VCC
GND
COMP
CS
OUT
R52
C55
R55
R53
IC51
AC
input
F1
NTC1
CX1
R1A
R1B
FL2
BD1
C1
R2A
C4
R6
D3
D1
R4A
C2
T1
CR51
C51
R51A
L51
C53
C52
R51B
R2C
R3A
R3B
FL1
R2E
C8
D2
D4
R4B
R5A
R5B
L2
C10
R99
R14
R121B
R121A C121
CR121
L121
C122
C123
R100
ZD121
R121
R122
5V
12V
CY2
CY3
GND
GND



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