公开(公告)号：US07889043B2

公开(公告)日：2011-02-15

申请号：US12536943

申请日：2009-08-06

申请人： Jui-Yuan Hsu ,  Hong-Jian Gan

发明人： Jui-Yuan Hsu ,  Hong-Jian Gan

IPC分类号： H01F5/00

CPC分类号： H01F27/06 ,  H01F27/2866 ,  H01F27/2871 ,  H01F27/325 ,  H01F27/40 ,  H01F2027/065 ,  H05K1/141 ,  H05K3/366 ,  H05K2201/049 ,  H05K2201/1003

摘要： An assembly structure includes a transformer, a system circuit board and an auxiliary circuit board. The transformer includes a primary winding coil, a secondary winding assembly and a magnetic core assembly. The magnetic core assembly is partially embedded within the primary winding coil and the secondary winding assembly. The secondary winding assembly has multiple output ends. The system circuit board is connected to the primary winding coil. The auxiliary circuit board is connected to the system circuit board and has multiple connecting parts. The output ends of the secondary winding assembly of the transformer are connected with corresponding connecting parts of the auxiliary circuit board.

摘要翻译： 组装结构包括变压器，系统电路板和辅助电路板。 变压器包括初级绕组线圈，次级绕组组件和磁芯组件。 磁芯组件部分地嵌入初级绕组线圈和次级绕组组件内。 次级绕组组件具有多个输出端。 系统电路板连接到初级绕组线圈。 辅助电路板连接到系统电路板，并具有多个连接部分。 变压器的次级绕组组件的输出端与辅助电路板的相应连接部分连接。

公开(公告)号：US06912143B2

公开(公告)日：2005-06-28

申请号：US10632541

申请日：2003-07-30

申请人： Hong-Jian Gan ,  Yao-Jian Huang ,  Yi Chen ,  Alpha J. Zhang

发明人： Hong-Jian Gan ,  Yao-Jian Huang ,  Yi Chen ,  Alpha J. Zhang

IPC分类号： H02M3/335 ,  H02M7/217

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： The present invention proposes a synchronous rectifier with burst mode control. A synchronous rectifier includes a transformer having a primary winding electrically connected to a power source, a secondary winding, a first auxiliary winding, and a second auxiliary winding, a first switch and a second switch electrically connected to the secondary winding and control terminals of the first switch and the second switch individually connected to the first and second auxiliary windings for being either self-driven directly from voltages of the auxiliary windings, a third switch electrically connected between the first switch and the first auxiliary winding in series, a fourth switch electrically connected between the second switch and the second auxiliary winding in series, a detecting circuit electrically connected to an output terminal of the synchronous rectifier for detecting a load status, and a control circuit electrically connected to the detecting circuit for enabling the third switch and the fourth switch when the load status is at a heavy load and disabling the third switch and the fourth switch when the load status is at a light load.

摘要翻译： 本发明提出了一种具有突发模式控制的同步整流器。 同步整流器包括变压器，其具有电连接到电源，次级绕组，第一辅助绕组和第二辅助绕组的初级绕组，第一开关和第二开关，电连接到二次绕组和控制端子 第一开关和第二开关单独地连接到第一和第二辅助绕组，用于直接从辅助绕组的电压自驱动;第三开关，电连接在第一开关和第一辅助绕组之间串联;第四开关， 连接在第二开关和第二辅助绕组串联之间;检测电路，电连接到用于检测负载状态的同步整流器的输出端;以及控制电路，电连接到检测电路，用于使第三开关和第四 当负载状态处于负载较重且无效时切换 第三开关和第四开关，当负载状态处于轻负载时。