Step down and step up MOSFET based choppers

This trainer is designed to study the working principle of DC-DC Step up & step down Chopper using MOSFET. It consists of

Separate power circuit section for Buck converter & Boost converter
One number of IC (TL494) based Variable Frequency & Variable Dutycycle Ratio PWM Controller
One number of potentiometer is provided for PWM Dutycycle variation ( 0-90%)
One number of OPTO is provided for PWM isolation
IR2110 IC Based MOSFER driver is provided for pulse amplification
Toggle switch is provided for PWM ON/OFF
PWM Output is terminated by connectors for power circuit external connection
IRF250 MOSFET with necessary heat sink is provided for power circuit
One number of 100E/20W Power Resistor is provided as load
24vdc is provided with Fuse protection is provided for power circuit input
ON/OFF Switch is provided for Power circuit (24v dc) input voltage
All are mounted on a nice cabinet with power ON/OFF Switch
230vac@50HZ Input