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TPS65251

Other Parts Discussed in Thread: TPS65251

你好,TPS65251原理图和PCB文件在附件中,目前3.3V输出可以带0.5A负载(功率电阻),超过此值输出电压就不稳定。buck1输出1.0V也只能接0.4A左右的负载,超过就不稳定或是没有输出。RILM限流电阻根据参考设计应该没问题。请检查下PCB设计文件是否布局布线有问题。望解答。谢谢!

TPS65251.rar