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FC9920 Datasheet(PDF) 1 Page - First Silicon Co., Ltd

No. de Pieza. FC9920
Descripción  3-Pin Switch-Mode LED Lamp Driver
Descarga  7 Pages
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Fabricante  FS [First Silicon Co., Ltd]
Página de inicio  http://www.firstsilicon.co.kr/
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FC9920 Datasheet(HTML) 1 Page - First Silicon Co., Ltd

   
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SEMICONDUCTOR
TECHNICAL DATA
FC9920
2012. 10. 31
1/7
Revision No : 0
3-Pin Switch-Mode LED Lamp Driver
Features
Constant output current: 100mA
Universal 85-264VAC operation
Fixed off-time buck converter
Internal 475 V power MOSFET
Applications
Decorative lighting
Low power lighting fixtures
General Description
The FC9920 is a pulse width modulated (PWM)
high efficiency LED driver control IC. It allows
efficient operation of LED strings from voltage
sources ranging up to 400VDC. The FC9920
includes an internal high voltage switching
MOSFET controlled with fixed off-time (TOFF)
of approximately 10.5us. The LED string is
driven
at
constant
current,
thus
providing
constant light output and enhanced reliability.
The output current is internally fixed at 100mA
for FC9920. The peak current control scheme
provides good regulation of the output current
throughout the universal AC line voltage range
of 85 to 264VAC or DC input voltage of 20 to
400V and is inherently protected from input
under-voltage condition.
Typical Application Circuit
FC9920
GND
DRAIN
VDD
1
3
2
AC
LED1
LEDN
1
D1
L1
CIN


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