For the use of off-line switching mode power supply IC, an internalpower 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。
2
The load obtains the maximum power transmission when loaded impedance and powersourceinternal resistance for conjugate match in sine stable state electric circuit.
在正弦稳态电路中，当负载阻抗与电源内阻抗为共轭匹配时负载获得最大功率传输。
3
This paper analyses the type, source and functioning way of the internalpower of universities beginning from the explanation of the concept.