What is meant by PIV of a diode?
Definition. Peak Inverse Voltage (PIV) or Peak Reverse Voltage (PRV) refer to the maximum voltage a diode or other device can withstand in the reverse-biased direction before breakdown. Also may be called Reverse Breakdown Voltage.
This is in case of full wave center tap rectifier. Peak inverse voltage (PIV) is the maximum possible voltage across a diode when it is reversed-biased. During first half-cycle of the supply i.e. when the top of the transformer secondary winding is positive, diode D1 conducts and offers almost zero resistance.
- PIV (peak inverse voltage) of Bridge Rectifier. PIV: For rectifiers, Peak inverse voltage(PIV) or peak reverse voltage(PRV) can be defined as the maximum value of the reverse voltage of a diode, which occurs at the peak of the input cycle when the diode is in reverse bias.
- RMS value of the voltage at the load resistance is. Efficiency. Efficiency, h is the ratio of the dc output power to ac input power. The maximum efficiency of a Full Wave Rectifier is 81.2%.
- For rectifier applications, peak inverse voltage (PIV) or peak reverse voltage (PRV) is the maximum value of reverse voltage which occurs at the peak of the input cycle when the diode is reverse-biased. The portion of the sinusoidal waveform which repeats or duplicates itself is known as the cycle.
Maximum (peak or surge) forward current = IFSM or if(surge), the maximum peak amount of current the diode is able to conduct in forward bias mode.
- n is the ideality factor, also known as the quality factor or sometimes emission coefficient. The equation is called the Shockley ideal diode equation when n, the ideality factor, is set equal to 1.
- Blocking voltage, BVDSS, is the maximum voltage that can be applied to the MOSFET. When driving an inductive load, this includes the applied voltage plus any inductively induced voltage. With inductive loads, the voltage across the MOSFET can actually be twice the applied voltage.
- Definition. Peak Inverse Voltage (PIV) or Peak Reverse Voltage (PRV) refer to the maximum voltage a diode or other device can withstand in the reverse-biased direction before breakdown. Also may be called Reverse Breakdown Voltage.
PIV is the maximum peak voltage that a diode can withstand in the reverse non-conducting region. By withstand, it means that, upto this voltage the diode blocks conduction of current in the reverse direction.
- Ripple factor (γ) may be defined as the ratio of the root mean square (rms) value of the ripple voltage to the absolute value of the DC component of the output voltage, usually expressed as a percentage. However, ripple voltage is also commonly expressed as the peak-to-peak value.
- The breakdown voltage of an insulator is the minimum voltage that causes a portion of an insulator to become electrically conductive. For diodes, the breakdown voltage is the minimum reverse voltage that makes the diode conduct appreciably in reverse.
- In a PN junction diode, the reverse saturation current is due to the diffusive flow of minority electrons from the p-side to the n-side and the minority holes from the n-side to the p-side. The is flows in the reverse bias condition of the diode is called reverse saturation current.
Updated: 18th September 2018