| 发明名称 | Switching mode power supply with burst mode | ||
| 摘要 | A method of operating a power supply having a transformer, a transistor controlling the current through a primary side of the transformer, and a control unit for controlling the switching of the transistor to generate current pulses in the transformer, is suggested, the method comprising receiving a feedback signal, and exiting a burst mode and entering a normal mode based on the feedback signal in case the feedback signal exceeds a first threshold value or in case the feedback signal exceeds a second threshold value for at least a first amount of time and in case the feedback signal exceeds a third threshold value, wherein the third threshold value is larger than the second threshold value and the first threshold value is larger than the third threshold value. | ||
| 申请公布号 | US9525354(B2) | 申请公布日期 | 2016.12.20 |
| 申请号 | US201514600816 | 申请日期 | 2015.01.20 |
| 申请人 | Infineon Technologies Austria AG | 发明人 | Fahlenkamp Marc;Neulinger Josef |
| 分类号 | H02M3/335;H02M1/00 | 主分类号 | H02M3/335 |
| 代理机构 | Shumaker & Sieffert, P.A. | 代理人 | Shumaker & Sieffert, P.A. |
| 主权项 | 1. A method of operating a power supply that includes a transformer, a transistor controlling the current through a primary side of the transformer, and a control unit for controlling the switching of the transistor to generate current pulses in the transformer, the method comprising receiving a feedback signal, and exiting a burst mode and entering a normal mode based on the feedback signal in case the feedback signal exceeds a first threshold valueor in case the feedback signal exceeds a second threshold value for at least a first amount of time and in case the feedback signal exceeds a third threshold value,wherein the third threshold value is larger than the second threshold value and the first threshold value is larger than the third threshold value. | ||
| 地址 | Villach AT | ||