Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8274266 | Switch mode power supply with dynamic topology | Michael Thomas Engelhardt | 2012-09-25 |
| 7812585 | Advanced current-mode control for switched regulators | Xunwei Zhou | 2010-10-12 |
| RE41037 | Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators | Joey M. Esteves | 2009-12-15 |
| 7466112 | Variable frequency current-mode control for switched step up-step down regulators | Xunwei Zhou | 2008-12-16 |
| 7394231 | Current-mode control for switched step up-step down regulators | Xunwei Zhou | 2008-07-01 |
| 7365525 | Protection for switched step up/step down regulators | Xunwei Zhou | 2008-04-29 |
| 7362191 | Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators | Yuhui Chen, Doug LaPorte, Robert C. Dobkin | 2008-04-22 |
| 7256570 | Light load current-mode control for switched step up-step down regulators | Xunwei Zhou | 2007-08-14 |
| 7170195 | Circuits and methods for flexible current partitioning in monolithic switching regulators | Howard H. Haensel, Yuhui Chen | 2007-01-30 |
| 7019497 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Christopher Umminger | 2006-03-28 |
| 6774611 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Christopher Umminger | 2004-08-10 |
| 6724174 | Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators | Joey M. Esteves | 2004-04-20 |
| 6674274 | Multiple phase switching regulators with stage shedding | Stephen W. Hobrecht | 2004-01-06 |
| 6580258 | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Milton E. Wilcox | 2003-06-17 |
| 6476589 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Christopher Umminger | 2002-11-05 |
| 6369665 | Maintaining constant amount of slope compensation regardless of switching frequency during synchronization | San Hwa Chee, Stephen W. Hobrecht | 2002-04-09 |
| 6304066 | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regular circuit | Milton E. Wilcox | 2001-10-16 |
| 5994885 | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Milton E. Wilcox | 1999-11-30 |
| 5731694 | Control circuit and method for maintaining high efficiency over broard current ranges in a switching regulator circuit | Milton E. Wilcox | 1998-03-24 |
| 5481178 | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Milton E. Wilcox | 1996-01-02 |