![]() ![]() Here drain voltage Vd = 0 and the current Ip passes through the primary winding. The total energy will be stored in the primary winding of the circuit. ![]() When the switch is in the ON position, there is no energy transfer between the input and the load. The working principle is based on the switch mode power supply (SMPS) mode. The operation of the flyback converter can be understood from the above diagram. Ton = switch ON time Operation of Flyback Converter/Working Principle Where Vsec = voltage in the secondary winding = total output voltage at the load The total energy transferred is expressed as The diode voltage drop will be zero at an ideal condition Ton = period when the switch is turned ON Lp = inductance of the primary winding or primary inductance. The total energy stored in the primary winding is, At ideal condition, Vs = 0 ( voltage drop)īy applying integration on both sides we get, ![]()
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