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TPA3255EVM: TPA3255保护问题

Part Number: TPA3255EVM

Hi ti team,

使用AP测试 TPA3255EVM,发现TPA3255RVM会出现保护。请帮忙分下原因

测试条件:

1,AP输入信号800mV;输入频率100HZ;对AP输入信号不断的打开和关断,TPS3255会出现保护。如附件视频

2,功率120W,4R负载,PVDD=51V。