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2015 Volume 40 Issue 8
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CHEN Shan-shan. On Design and Implementation of an Isolated Driving Circuit with Mul ti-Channel Output[J]. Journal of Southwest China Normal University(Natural Science Edition), 2015, 40(8).
Citation: CHEN Shan-shan. On Design and Implementation of an Isolated Driving Circuit with Mul ti-Channel Output[J]. Journal of Southwest China Normal University(Natural Science Edition), 2015, 40(8).
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On Design and Implementation of an Isolated Driving Circuit with Mul ti-Channel Output

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  • Since many switches do not share a common ground in the multiple‐input dc‐dc converter ,isola‐ted driving circuit is usually needed .Due to this ,an isolated driving circuit with multi‐channel output is designed in this paper ,which includes an isolated driving power supplies with multi‐channel output ,a cir‐cuit producing PWM signal based on improved NE555 multivibrator and an isolated circuit based on TLP250 .Operating principle of every part is analyzed in detail and the corresponding schematic circuit is given .Finally ,the experimental results verify the correctness and feasibility of this driving circuit .
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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On Design and Implementation of an Isolated Driving Circuit with Mul ti-Channel Output

Abstract: Since many switches do not share a common ground in the multiple‐input dc‐dc converter ,isola‐ted driving circuit is usually needed .Due to this ,an isolated driving circuit with multi‐channel output is designed in this paper ,which includes an isolated driving power supplies with multi‐channel output ,a cir‐cuit producing PWM signal based on improved NE555 multivibrator and an isolated circuit based on TLP250 .Operating principle of every part is analyzed in detail and the corresponding schematic circuit is given .Finally ,the experimental results verify the correctness and feasibility of this driving circuit .

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