UC3843A: PWM Generation

Hello Jayadevan,

The Applications and Implementation section of the datasheet is a guide to the majority of power stage components. Also, may I recommend using the Power stage designer tool attached below to simulate the system behavior in a flyback topology with your choice of components.

http://www.ti.com/tool/POWERSTAGE-DESIGNER

This tool is very interactive and you can click on the component symbols to check the current and voltage waveforms over the whole line and load conditions.

Another tool is the Webench Modeling tool that can be extremely helpful in your design process.

http://www.ti.com/design-resources/design-tools-simulation/webench-power-designer.html

In addition to these tools, I can help review your design once done, to ensure that design specifications are met.

Regards,

Sonal