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REF200: 帮忙推荐一款恒流源IC

Part Number: REF200
Other Parts Discussed in Thread: LM317

TI的同事你们好,请帮忙推荐一款恒流源IC

应用场合:替代万用表Agilent 34401A中的欧姆电流源的电路,用于测量二极管的正向导通电压;

具体要求:负载接地型恒流源,工作电压3.3-5V作用,灌电流100mA以内