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TPS54062 4- 20mA 电流环

Other Parts Discussed in Thread: TPS54062

TPS54062  4- 20mA 电流环使用情况下  

DC 24V 输入(电流3.8mA)     输出电压是3.3V

输入减去二极管压降电压依照20V计算,输入电流3.8mA .那么能提供的功率是20X0.0038=0.076W 开关电源效率算50%就有0.023W  那么输出电流可以达到11.515mA,是否可以这么理解?   这么使用情况下使用什么样的参数,电感取1mH?  输出电容是不是有条件下取值越大越好?