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FC9921 Datasheet(PDF) 1 Page - First Silicon Co., Ltd

No. de Pieza. FC9921
Descripción  3-Pin Switch-Mode LED Lamp Driver IC
Descarga  8 Pages
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Fabricante  FS [First Silicon Co., Ltd]
Página de inicio  http://www.firstsilicon.co.kr/
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FC9921 Datasheet(HTML) 1 Page - First Silicon Co., Ltd

   
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SEMICONDUCTOR
TECHNICAL DATA
FC9921
2012. 10. 31
1/8
Revision No : 0
Features
Constant output current: 20mA
Universal 85 - 265VAC operation
Fixed off-time buck converter
Internal 475V power MOSFET
Applications
Decorative lighting
General Description
The FC9921
from voltage sources ranging up to 400VDC. The FC9921
includes an internal high voltage switching MOSFET controlled
OFF) of approximately 10.5μs. The LED
string is driven at constant current, thus providing constant light
output and enhanced reliability. The output current is internally
provides good regulation of the output current throughout the
universal AC line voltage range of 85 to 265VAC or DC input
voltage of 20 to 400V.
3-Pin Switch-Mode LED Lamp Driver IC
Typical Application Circuit
FC9921
LED
1
-
LED
n
3 VDD
DRAIN 1
GND
2
AC
FC9921


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