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关于输出-5V电压的开关电源问题

Other Parts Discussed in Thread: TPS54550, TPS54061

请问有哪位知道:哪些可以输出+5V/0.04A的开关电源芯片,经过电路变形可以输出-5V/0.04A,要求纹波在50mV以内,像TPS54061和tps54550这样的可以吗?