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TPS54620怎么提高瞬态响应速度?

Other Parts Discussed in Thread: TPS54620

请教下大家:

应用场景有负载的突变,需要TPS54620瞬间输出电流增大3A。

设计是根据手册和TI的工具软件配置的,但是当电流增大的瞬间,输出5V会跌落到3.6V以下

请问我需要怎么调节环路补偿电路,提高TPS54620的瞬态响应呢?

看到TPS54620手册中,负载由1.5A提高到4.5A,输出电压波动才几十毫伏。请问实际应用中,瞬态响应能做到这么好么?