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请大家帮助分析,我找的电源是否满足要求,或者有其它的电源方案可以提供,谢谢

Other Parts Discussed in Thread: TPS63020, TPS63000

大家好,我现在找一款电源方案,要实现输入4.5V--5.5V,输出5V 1A的要求。即小压差稳压方案,输出电压有可能高于输出电压,也有可能低于输出电压,关键是压差还比较小。我用TI官网上的计算工具找了一个DCDC芯片 TPS63020,不知道这个芯片是否能满足我的需求,如果有其它的实现方案更好(不考虑先降压再升压,或先升压再降压的方案),在此请教大家了。