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LT1937 白光 LED 升压转换器的典型应用
LT1937 的典型应用是一款升压 DC-DC 转换器,专门设计用于以恒定电流驱动白光 LED。该器件可以通过锂离子电池驱动两个、三个或四个串联的 LED。 LED 的串联可提供相同的 LED 电流,从而实现均匀的亮度并无需镇流电阻。 LT1937 的开关频率为 1.2MHz,允许使用微型 ...
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