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LM2621工作电流大,如何解决?

Other Parts Discussed in Thread: LM2621

1.LM2621的输入为两节干电池3.0V,输出3.3V,负载电流10.5mA,测试LM2621工作电流12mA左右,LM2621的电路采用的使用手册中的推荐电路,如下图。工作电流大应该怎么解决?