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An effective method for reducing the size and weight of the switching dc-dc converter is to increase the switching frequency. To accomplish this with no deterioration in efficiency, it is necessary to suppress the switching loss per cycle by shortening the switching time. An efficient dc-dc converter operating at the megahertz region is presented. The turn-off time is shortened by using the current...
The turn-off mechanism of the new free-run DC-to-DC converter with a saturating core is analyzed. This converter has a simple construction of the transistor core multivibrator, in which the current feedback is applied to the main switching transistor, and the voltage feedback is applied to the control transistor. The core flux changes along the minor hysteresis loop. The turn-off time is extremely...
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