用于白光 LED 驱动器的 TCA62735FLG
电荷泵 DC/DC 转换器的典型应用。 TCA62735FLG 是一款专为白光 LED 恒流驱动而设计的电荷泵型 DC/DC 转换器。该IC可以向2.8-4.2V输入输出120mA或更大的LED电流。该IC观察电源电压和输出电压，并自动切换至最佳升压模式1、1.5或2倍。可以最大限度地延长电池寿命。该 IC 特别适用于驱动 PDA、手机或
手持终端设备 LCD 中的背光白色 LED
说明
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Typical Application for TCA62735FLG Charge Pump DC/DC Converter for White LED Driver. The TCA62735FLG is a charge pump type DC/DC Converter specially designed for constant current driving of White LED. This IC can outputs LED current 120mA or more to 2.8-4.2 V input. This IC observes the power-supply voltage and the output voltage, and does an automatic change to the best of step up mode 1, 1.5 or 2 times. It is possible to prolong the battery longevity to its maximum. This IC is especially for driving back light white LEDs in LCD of PDA, Cellular Phone, or Handy Terminal Equipment
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ATMEGA808-MF
