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TPS2373: TPS2373-4 设计成隔离70WPD, 电感发烫

Part Number: TPS2373
Other Parts Discussed in Thread: UCC2897A

您好,TPS2373-4+UCC2897A设计成12V/5A 输出正常(参考TI EVM板设计,变压器2:1);将电路改成24V/3A输出(变压器1:1),电感非常烫,检查变压器次级输出有尖峰130V/1US, 请问可能是哪里的问题?