PLECS 1.3 Online Help

Diode

Purpose

Ideal diode with or without forward voltage and on-resistance.

Library

Switches

Description

[Picture]

The Diode is a semiconductor device controlled only by the voltage across it and the current through the device. The Diode model is basically an ideal switch that closes if the voltage between anode and cathode becomes positive and opens again if the current through the component becomes zero. In addition to the ideal switch, a forward voltage and an on-resistance may be specified. If unsure set both values to 0.

Parameters and Dialog Box

[Picture]

Width
The width of the component. The default is 1.

Each of the following parameters may either be a scalar or a vector with the width of the component:

Forward voltage
Additional dc voltage V f in volts (V) between anode and cathode when the diode is conducting. The default is 0.
On-resistance
The resistance Ron of the conducting device, in ohms (_O_). The default is 0.

Probe Signals

Diode voltage
The voltage measured between anode and cathode.
Diode current
The current through the diode flowing from anode to cathode.
Diode conductivity
Conduction state of the internal switch. The signal outputs 0 when the diode is blocking, and 1 when it is conducting.