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Original question:

关于UCC2897A不停软启动软关断，OUT脚无PWN波形输出

UCC2897A: 输入400V直流，输出30V/7A的有源钳位正激IC推荐

lixiang wang
Prodigy 50 points
Part Number: UCC2897A
Other Parts Discussed in Thread: UCC28C40, UCC24610, UCC24612

UCC2897A看规格书仅能用到120V，如果不监控输入电压，可以将输入电压拓展到400VDC吗？或者有没有合适的IC推荐，用于给电压14V-30V的电池充电。