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TPS54650电压8.4V电流,电流5A(或者5.2A),但是带动不了8.4V,4A大小范围的负载

Other Parts Discussed in Thread: TPS54560

测试自己做的TPS54560电源板,上单板测试电压,电流都满足我们的设计要求(8.4V/5A),但是实际测试出现负载不能正常工作的情况。可能是因为负载待机状态需要电流是1A左右,触发时期工作电流瞬间需要4A左右电流,且持续时间约为300ms左右,猜想是电源无法提供负载所需的瞬间突变电流导致的。