发明名称 |
Short circuit protection for power factor correction circuit |
摘要 |
In a power factor correction circuit using a control power MOSFET connected in series between the boost converter and the output, overcurrent damage to the power MOSFET upon occurrence of a short circuit in the output is prevented by sensing a drop in the output voltage below a predetermined level above the peak of the rectified AC boost converter input, and shutting the power MOSFET off when such a drop is sensed.
|
申请公布号 |
US5726845(A) |
申请公布日期 |
1998.03.10 |
申请号 |
US19960608140 |
申请日期 |
1996.02.28 |
申请人 |
ASTEC INTERNATIONAL LIMITED |
发明人 |
HO, SIMON MO CHAN |
分类号 |
H02M1/00;H02M1/42;H02M3/158;(IPC1-7):H02H3/28;H02M7/00;G05F1/563 |
主分类号 |
H02M1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|