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AAT3167,pdf datasheet(High Eff

消耗积分:3 | 格式:rar | 大小:221 | 2010-01-30

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The AAT3167 is a low noise, constant frequency chargepump DC/DC converter that uses a tri-mode load switch(1X), fractional (1.5X), and doubling (2X) conversion tomaximize efficiency for white LED applications. TheAAT3167 is capable of driving five LEDs for a total of135mA from a 2.7V to 5.5V input. The current sinks maybe operated individually or in parallel for driving highercurrent LEDs. A low external parts count (two 1μF flyingcapacitors and two small 1μF capacitors at IN andOUTCP) make this part ideally suited for small, batterypowered applications.
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