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AAT3121,pdf datasheet(High Eff

消耗积分:2 | 格式:rar | 大小:221 | 2010-01-30

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The AAT3121 is a low noise, constant frequencycharge pump DC/DC converter that uses fractional(1.5X) conversion to increase efficiency in whiteLED applications. With input voltages ranging from2.7V to 5.5V, the device can produce an output currentof up to 120mA. A low external parts count (two1μF flying capacitors and two small bypass capacitors
at VIN and OUT) makes the AAT3121 ideallysuited for small battery-powered applications.
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