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UC2844: 中高压输入开关电源

Part Number: UC2844
Other Parts Discussed in Thread: LM5022, LM5021

你好,应用在变频器制动单元的辅助开关电源,输入690Vac(690*根号2*1.1 = 1100Vdc输入供电), 输出二路,A路是24Vdc1A供电给风扇,B路是5Vdc到15Vdc 0.1A 驱动 IBGT 通断 ,C路+-15V驱动霍尔,有劳推荐方案和原 理图