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FC9910B датащит (PDF) 1 Page - First Silicon Co., Ltd

№ деталь FC9910B
подробность  Universal High Brightness LED Driver
скачать  10 Pages
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производитель  FS [First Silicon Co., Ltd]
домашняя страница  http://www.firstsilicon.co.kr/
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FC9910B Datasheet(HTML) 1 Page - First Silicon Co., Ltd

 
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Features
Constant current LED driver
Applications from a few mA to more then 1A output
LED string from one to hundreds of diodes
8.0 to 450V input range
PWM Low-Frequency dimming via enable pin
Input voltage surge ratings up to 500V
>90% efficiency
Applications
DC/DC or AC/DC LED driver applications
RGB backlighting LED driver
Back lighting of
flat panel displays
General purpose constant current source
Signage and decorative LED lighting
Chargers
General Description
The FC9910B is a PWM high efficiency LED driver control
IC. It allows efficient operation of High Brightness LEDs from
voltage sources ranging from 8V DC up to 450V DC.
The FC9910B controls an internal MOSFET at fixed switching
frequency up to 300kHz. The frequency can be programmed
using a single resister.
The LED string is driven at constant current rather then
constant voltage, thus providing constant light output and
enhanced reliability. The output current can be programmed
between afew milliampares and up to more then 1.0A.
The FC9910B uses a rugged high voltage junction isolated
process that can withstand an input voltage surge of up to
450V. Output current to an LED string can be programmed to
any value between zero and its maximum value by appling an
external control voltage at linear dimming control input of the
FC9910B. The FC9910B provides a low frequency PWM
dimming input that can accept an external control signal with a
duty ratio of 0~100% and a frequency of up to a few kHz.
Typical Application Circuit
Universal High Brightness LED Driver
CDD
RT
RCS
L1
Q1
D1
CO
C N
FC9910B
VIN
DRV
PWM_D
VDD
LIN_D
ISEN
Rosc
GND
SEMICONDUCTOR
TECHNICAL DATA
FC9910B
2013. 08. 29
1/10
Revision No : 1
Figure 1. Typical Application Circuit of FC9910B
Epoxy: UL 94V-0 rate flame retardant


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