For the use of off-line switching mode power supply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.
结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。
By adopting the wireless power supply mode, the power source device has no need for long power source wires, thereby achieving convenient utilization.
采用这种无线供电的方式无需长长的电源线，使用方便。
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