Power Dissipation for Buck Regulator


Enter the Input Voltage, Output Voltage,Output Current and Efficiency values and press "Calculate" to solve for the other and find the Dissipation .

INPUT :

Input Voltage value: volts
Output Voltage value: volts
Output Current value: Amps
Efficiency (%) value: %


OUTPUT :

Loss (%) value: %
Efficiency value:
Loss value:
Output Power value: watts
Input current value: Amps
Input Power value: watts
Power Dissipation: watts
Current Consumption: Amps

For an Example, The Input Voltage is 12V, Output Voltage is 5V 1A , The Difference between Input and Output Power will be Dissipation.The Output will be 5V * 1A = 5W.


If the Switcher have 85% Efficiency,then the total Input Power will be 5W / 0.85 =5.88W. The Difference between the Output power and the Input Power is the what we are looking for, which in ths example is 0.88W.


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