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这个电路与普通的连续控制形稳定电源电路不同,它是一个由脉冲控制的使输出直流电压稳定化的电路。在通常的稳定电源电路中,如果把输出电流设为I,把加到连续控制晶体管上的电压设为V_(CE),则必然要造成P_C=V_(CE)×I的集电极损耗。这使得线路的损耗很大。
This circuit is different from the ordinary continuous-control-type stable power circuit, which is a pulse-controlled circuit that stabilizes the output DC voltage. In a typical stable power supply circuit, assuming that the output current is I and the voltage applied to the continuous control transistor is V_ (CE), a collector loss of P_C = V_ (CE) × I is inevitably caused. This makes the loss of the line a lot.