BL8582 Datasheet PDF - Shanghai Belling Co., Ltd.

Part Name

BL8582

Description

Single-Wire Dimming, 3-Channels WLED Linear Drive

Other PDF

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PDF

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page

6 Pages

File Size

171.2 kB

MFG CO.

Shanghai Belling Co., Ltd. 

DESCRIPTION

   The BL8582 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 BL8582 is suitable for applications such as portable device display and keypad backlighting. It can realize dimming control through EN pin. Inner the device, there is a 4-bit counter, so the LED current can be set at 16 levels with 1/15 Imax step. BL8582 has three LED channels with a SOT-23-6 package.

FEATURES

• 2.7 to 5.5V input range

• Single-wire dimming control with linear

   16-steps.

• PWM dimming control

• LED sink current of max. 20mA

• Independent current sink circuit for each

   LED output

• Low standby current

• High accuracy current match on each

   channel

APPLICATIONS

• Small Size Color LCD Backlights Driver

• Mobile Phone, Portable DeviEN Keypad

   Backlights Driver

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