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HT2811H Datasheet(PDF) 2 Page - Hotchip Technology Co.,Ltd

Part # HT2811H
Description  PSR control, eliminates optocoupler and TL431
PDF  8 Pages
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Manufacturer  HOTCHIP [Hotchip Technology Co.,Ltd]
Direct Link  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT2811H Datasheet(HTML) 2 Page - Hotchip Technology Co.,Ltd

  HT2811H Datasheet HTML 1Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 2Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 3Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 4Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 5Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 6Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 7Page - Hotchip Technology Co.,Ltd HT2811H Datasheet HTML 8Page - Hotchip Technology Co.,Ltd  
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HT2811H
2/8
High performance primary sensing regulator (PSR)
www.hotchip.com.cn
Ver1.0
PIN DEFINITION
SOP5
Pin
Name
Pin #
Description
VCC
1
Power supplying pin of the controller, In order to let
the controller gain more Stable supply voltage, the
external filter capacitor must use low equivalent im
-pedance (Low ESR) of the electrolytic capacitor.
FB
2
Output feedback pin, to detect the output condition
through the auxiliary wind-ing voltage of the
transformer
CS
3
Connect external primary current sensing resistor RCS,
the controller can detect the primary current through the
external sense resistor. When the voltage on the resistor
achieves the maximum value, the internal power BJT
will be turn off immediately
HV
4
To connect the collector of internal power BJT
GND
5
The referring grounding pin of the controller
Ovp
&
osp
Regulator
&
Blas
Tonsec
Detector
CV
cortrol
Drive
Control
CC
Control
Noise
suppressi
on
AC Voltage
Compensation
VCC
FB
Startup&unlo
pmf
Tons
3v
Logic
Tons
Buffer
Noise
Suppressio
n
Cable
Compensation
Peak current
control&Leb
GND
CS
HV
FUNCTIONAL BlOCK DIAGRAM
1
2
3
5
4
HV
VCC
CS
FB
GND



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