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AP3772H Datasheet(PDF) 3 Page - BCD Semiconductor Manufacturing Limited

Part # AP3772H
Description  Low-Power Off-line Primary Side Regulation Controller
PDF  12 Pages
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP3772H Datasheet(HTML) 3 Page - BCD Semiconductor Manufacturing Limited

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Preliminary Datasheet
Low-Power Off-line Primary Side Regulation Controller
AP3772H
Dec. 2012
Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3
Functional Block Diagram
Regulator
&
Bias
OVP
&
OCKP
PFM
TONS
UVLO
UVLO
CV_ctrl
PFM
Driver
R Q
S
R
Q
S
CC_ctrl
FB
CS
CPC
VCC
OUT
GND
Cable
Compensation
Constant Voltage
Control
Constant Current
Control
Tonsec
Detector
0.1V
VFB
4
3
1
2
5
6
PRO
VREF1
COMP
EA
Peak Current
Control & LEB
TONS
Dynamic
Response
Pro
Dyn
CC_ctrl
Audio noise
Suppression
VREF2
Shutdown
Pre_Shutdown
Line
Compensation
Figure 3. Functional Block Diagram of AP3772H



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