Critical Capacitance in Switching Voltage Regulator Formulas

Critical capacitance is minimum value of capacitance in order to have a continuous current in the inductor and, therefore, maintain good regulation. And is denoted by C_x. Critical Capacitance is usually measured using the Microfarad for Capacitance. Note that the value of Critical Capacitance is always positive.

Formulas to find Critical Capacitance in Switching Voltage Regulator

fxCritical Value of Capacitor for Boost RegulatorGo

fxCritical Value of Capacitor for Buck-Boost RegulatorGo

List of variables in Switching Voltage Regulator formulas

fx Duty Cycle Go

fx Frequency Go

fx Resistance Go

FAQ

What is the Critical Capacitance?

Critical capacitance is minimum value of capacitance in order to have a continuous current in the inductor and, therefore, maintain good regulation. Critical Capacitance is usually measured using the Microfarad for Capacitance. Note that the value of Critical Capacitance is always positive.

Can the Critical Capacitance be negative?

No, the Critical Capacitance, measured in Capacitance cannot be negative.

What unit is used to measure Critical Capacitance?

Critical Capacitance is usually measured using the Microfarad[μF] for Capacitance. Farad[μF], Kilofarad[μF], Millifarad[μF] are the few other units in which Critical Capacitance can be measured.

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