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Boost Converter (Problem in getting transient analysis)

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manasguttal

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I have designed a boost converter of 5 to 12 volts. Converter works absolutely fine while i give an input to the MOSFET by a function generator and i am able to see the analog analysis graph as well (mainly shows the transient analysis).

I have designed a feedback circuit which produces an output pulse and then it is fed to gate of MOSFET, the output, the voltmeter connected at the output of boost converter gives 12 volts output. But the analog analysis (transient response) pertaining to this is showing 1.5 volts max. I have tried checking each and every part of the circuit but there is no error, the voltmeter shows absolute readings while i am not getting the transient analysis graph with these readings.

The entire simulation is done in proteus.
 

Measure Feedback voltage and apply feedforward RC compensation as required. Verify steady-state DC and step load transient response, phase margin etc. Use a DSO and compare to SIM.

Choose DCR of L and ESR of all caps wisely.
 

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