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TPS23754 MOS管发热 和占空比的问题

Other Parts Discussed in Thread: TPS23754

你好大侠

最近测试TPS23754 的门极 驱动波形的周期是 4.2US ,占空比1US,这个带大负载MOS管发热啊,高温测试不过75度,另一个TPS23754 周期 4.2US  占空比可变不固定大约1-1.8US ,这个MOS管发热没那么厉害高温测试 75度没问题

,请问什么问题会自动调整占空比啊