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Transformer driver having unlimited duty cycle capability by inserting narrow pulses during unlimited duty cycles
Transformer driver having unlimited duty cycle capability by inserting narrow pulses during unlimited duty cycles
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机译：通过在无限制的占空比期间插入窄脉冲而具有无限的占空比能力的变压器驱动器
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摘要
A transformer driver having an unlimited duty cycle capability is disclosed herein. The transformer driver 10 of the present invention is coupled to an output circuit 20 and includes a transformer 32 having primary winding and secondary windings 30 and 34. The inventive driver 10 further includes a generator 26 for applying a plurality of charging pulses P1, P2 to the primary transformer winding 30 to keep the transformer from being saturated. A transistor buffer network 36 selectively electrically isolates the output circuit 20 from the transformer. In a particular embodiment the charging pulses P1, P2 serve to maintain the voltage at the control terminal 38 of a power transistor included within the output circuit.
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