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TRANSISTORIZED POWER SWITCHES WITH IMPROVED EFFICIENCY
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| Author(s) |
M. Bildgen; K. Rischmüller |
| Abstract |
Loss reduction is an important objective for power electronic design. The output characteristics of Bipolar and MOS power stages are analysed and the limits for further on-state loss reduction are indicated. A fast high-voltage driver/switch combination with very low on-state and switching losses is described. The switch is designed with cellular bipolar-junction-transistors driven by a smart power switch-mode regulator. The driver handles duty cycles from 0 ... 100 % and requires only one unregulated auxiliary supply. The static and dynamic behavior of the switch and its new driver stage are shown and discussed. The switch exhibits low losses and is able to operate with unaudible switching frequencies on the rectified mains. |
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| Filename: | Unnamed file |
| Filesize: | 2.327 MB |
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| Type |
Members Only |
| Date |
Last modified 2021-01-11 by System |
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