部品番号
BL8582CB6TR
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Shanghai Belling Co., Ltd.
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BL8582CB6TR データシート - Shanghai Belling Co., Ltd.
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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