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TPS61021A供电输入问题

Other Parts Discussed in Thread: TPS61021A

请问TPS61021A可以用3.7V的可充电锂电池作为输入电源吗?锂电池电压变化范围一般在3~4.2V。如果不能直接使用,是不是可以在输入端串联一个IN4007,降压后使用?