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Fig.3Schematic of SG3525 based Push-Pull SMPS In fig.3 SG3525 PWM...
Schematic of SG3525 based Push-Pull SMPS In fig.3 SG3525 PWM controller is shown which is used to generate two complementary pulses which is directly given to the power MOSFET (IFRZ44N). This Push-Pull configuration drive primary winding of two ETD-39 ferrite core high frequency transformer. For doing this, transformer primary has to be connected in parallel. Centre-taped end is connected to +VCC (12V) input driver supply while another two terminals of the transformer is driven by push-pull conf