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宽电压的电源DC/DC

Other Parts Discussed in Thread: TPS54341

你好!

        我这里现在有个疑问,对于类似TPS54341的宽电压输入,当输入电压为24V-30V时,输出为3.3V的这种应用,占空比变为11%左右。我看你推荐的应用里边没有24V将3.3V,这样应用除了效率降低,还有其他的影响吗?同时对占空比和开关频率有要求,能详细阐述对这两个参数的要求吗?