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国半的替代料件选择

Other Parts Discussed in Thread: LM2576, TPS54233, LM22670

想找个低频率DC/DC,宽压输入(9-24V),固定5V输出,输出电流2A,纹波电压为30mv,之前的方案是NS LM2576,想找个可以替代此料件的IC,请帮忙推荐,主要是不用很复杂,价格在2美元以内.