Difference Between Buck Converter And Boost Coverter
Buck Converter
Power is transferred from high voltage side to low voltage side.
Average output voltage is smaller than fixed dc input source voltage
It steps down V0 and steps up I0
Names:
Voltage Buck Converter
Current Boost Converter
Voltage to Current Converter
During fault conditions of load di/dt is limited by inductor.
High voltage rating switch is required.
Input current is discontinues.
Smoothing filter is normally required to provide single polarity output voltage and unidirectional current.
Boost Converter
Power is transferred from ow voltage side to high voltage side.
Average output voltage is greater than fixed dc input source voltage
It steps down I0 and steps up V0
Names:
Voltage Boost Converter
Current Buck Converter
Current to Voltage Converter
During fault conditions of switch di/dt of fault current is limited by inductor.
High peak current flow through the power transistor.
Input current is continues.
Larger filter capacitor and larger inductor is required.
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