DC –DC Fly back Converter

This set up is designed to study the Flyback type BUCK (Step down)  switch mode regulator circuits. This set up consists of,

• PWM Controller
• MOSFET Power circuit
• DC Power supply.

PWM Controller:

• One number of TL494 IC Based PWM controller for converter power circuits
• Potentiometer is provided to vary the PWM Duty cycle ratio
• Potentiometer is provided to vary the PWM Frequency
• Necessary test points are provided to study the PWM Controller
• PWM output is terminated in connector for MOSFET power circuit patching

MOSFET Power circuit:

• One number of IRF250 Power MOSFET with proper heat sink is provided for power circuit
• One number of High Frequency transformer and output filter is provided
• One number of Fixed Load resistor is provided
• PWM ISOLATOR IC and DRIVER ICs are provided for MOSFET power circuits PWM amplifications
• Necessary test points & PWM input connector are provided
• Current sensing resistors are provided in varies place for current wave form measurements
• Specifications
  • Power circuit Inputs             :           5-20VDC
  • Output             :           5VDC @ 1AMP

Power supply

• One number of 0-30v@2A Variable dc power supply with ammeter & Voltmeter is provided for power circuit inputs