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TPS40210升压,从24V升压到55V,短时间带负载后芯片就停止工作

Other Parts Discussed in Thread: TPS40210

使用TPS40210升压,输入是24V,输出55V,空载升压正常,接100欧姆电阻输出也是正常,输出接3个2700uF的电容,电容充电也没问题,当加上负载(24欧姆的线圈)负载接通时间60mS,芯片停止工作,请问这个问题怎么解决?

Css换成10uF,其他参数没有变

 

40210-55V.pdf