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AAT2862,pdf datasheet(Backligh
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大小:221 |
2010-01-30
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The AAT2862 is a highly integrated charge pump-basedlighting management unit with four linear regulatorsoptimized for single-cell lithium-ion/polymer systems.The charge pump provides power for all LED outputs andmultiple LED configurations are available. The LED outputscan be programmed up to 30mA each and two LEDoutputs can be programmed up to 60mA each. An I2Cserial digital interface is used to enable, disable, and setthe current to one of 32 levels. Current matching is betterthan 3% for uniform display brightness, and high
current matching is better than 5% for uniform power dissipation.
current matching is better than 5% for uniform power dissipation.
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