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HM9923PR Folha de dados(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Nome de Peças HM9923PR
Descrição Electrónicos  High-Voltage LED DRriver with Build-In MOSFET Switch
PDF  6 Pages
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Fabricante Electrônico  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Página de início  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM9923PR Folha de dados(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM9923PR Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9923PR Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9923PR Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9923PR Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9923PR Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM9923PR Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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RECOMMENDED APPLICATION DIAGRAM
AC – AC supply voltage source
С1 – capacitor C= 0.1uF ± 10 %
D1 – microcircuit
L1 – inductor (coil)
Inductor feature L, mH, is calculated by formula:
L =
O
dI
F
U
N
15 
,
N – Quantity of diodes in LED string, pcs.;
VF – LED forward voltage for nominal current, V;
dIO – LED circuit permissible current ripple, mA
LED1 – LEDN – LEDs (light emitting diodes) with nominal current:
- 20 mA for HM9921 application;
- 50 mA for HM9922 application;
- 30 mA for HM9923 application
VD1 – high-voltage diode with breakdown voltage not less 500V
and forward current:
- not less 25.5 mA for HM9921 application;
- not less 63.0 mA for HM9922 application;
- not less 38.2 mA for HM9923 application
/
/
Shenzhen H&M Semiconductor Co.Ltd
http：//www.hmsemi.com



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