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3.7V锂电池转换为3.3V恒压用什么芯片?

Other Parts Discussed in Thread: TPS63051, TPS63031

请问要将3.7V可充电锂电池(电压范围3V~4.2V)转化输出3.3V恒压,供210mA负载使用,一般选择什么芯片?有应用电路吗?