公开(公告)号：US5896279A

公开(公告)日：1999-04-20

申请号：US838615

申请日：1997-04-10

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02M1/40 ,  H02M3/335

CPC classification number: H02M1/40 ,  H02M3/33569

Abstract: A constant-voltage clamping forward conversion switching power supply is disclosed, which can prevent each of a magnetic saturation phenomenon in a main transformer, an excessive high voltage of a main switching transistor, and a shift effect of an input voltage, and can increase the duty cycle and improve an operating efficiency.

Abstract translation: 公开了一种恒压钳位正转转换开关电源，其能够防止主变压器中的每个磁饱和现象，主开关晶体管的过高的高电压和输入电压的偏移效应，并且可以增加 占空比，提高运行效率。