精品国产99久久久久久www_亚洲精彩视频在线观看的_性欧美婬妇ⅹxxx视频_里番肉工口全彩老师_a天堂最新在线观看_精品国产在天天在线观看_免费看那种视频_樱桃电视剧全集播放_成人性视频免费看的鲁片_中国伦理影院

Description

The A8530 high efficiency charge pump ICs offer a simple, low-cost white LED driver solution for driving four display backlight and two flash/torch/video mode white LEDs. Using a proprietary control scheme (1×, 1.5×, and 2×), the A8530 can deliver well-matched LED current while maintaining the highest efficiency and low EMI. The LED current is regulated over the entire range of Li+ battery voltage to provide uniform intensity.

LED brightness and on/off can be controlled for 4 display backlight LEDs and 2 flash/torch LEDs through 2 single-wire serial interface pins.

Features and Benefits

? Proprietary adaptive control scheme (1×, 1.5×, 2×)

? 0.5 typical LED current matching

? 2 separate serial interfaces for dimming control

? Drives up to 6 white LEDs (4 display backlight, 2 flash/torch)

? 30 mA per LED channel for display backlight

? 100 mA per LED channel for flash/torch backlight

? 320 mA total output current capability

? Low EMI design and soft-start function

? Short circuit, overvoltage, thermal shutdown protection

? 0.75 mm very thin profile, 3 mm × 3 mm package

Applications include:

? White LED backlights for cellular phones, PDAs

? Digital cameras, camcorders

? Other portable device white LED backlighting

? 320 mA WLED flash/torch