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The ME2206 is targeted to be used for driving loads up to 1A from a two-cell alkaline battery. The LED current can be programmed by the external current sense resistor, Rs, connected between the feedback pin (FB) and ground. A low 95mV feedback voltage reduces the power loss in the Rs for better efficiency. During the shutdown mode, the feedback resistor Rs and the load are completely disconnected and the current consumption is reduced to less than 1uA.
ME2206是一颗DC-DC转换器,提供一个稳定的输出电流。在1MHz的恒定频率开关设备,允许小的外部电感器和陶瓷电容器的使用。ME2206 只适用于两节干电池驱动1W 或3W 的白光LED.