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BELLING - WLED Linear Driver

Numéro de référence BL8580
Description WLED Linear Driver
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BL8580 fiche technique
BL8580/1
WLED Linear Driver For Li-Ion Battery Application
DESCRIPTION
The BL8580/1 is a CMOS based White/Blue
LED driver with stand-alone capability. The
driver is primarily designed for LED
backlighting of LCD display powered by Li-ion
battery With its high efficiency, low standby
current and wide range of input supply
voltage, the BL8580/1 is suitable for
applications such as portable device display
and keypad backlighting.
In portable application, three or four-channel
LED solutions are popular. BL8580 has three
LED channels with a SOT-23-6 package.
BL8581 has four LED channels with a MSOP-
8 package.
FEATURES
No external component required
PWM dimming control available
Low noise and EMI
LED sink current of 20mA
Independent current sink circuit for each
LED output
Versatile supply voltage range
Low standby current
High accuracy current match on each
channel
APPLICATIONS
Small Size Color LCD Backlights Driver
Mobile Phone, Portable DeviEN Keypad
Backlights Driver
TYPICAL APPLICATION
www.belling.com.cn
1
BL8581

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