7.3 Off Leakage

There are two types of leakage currents associated with a switch during the OFF state:

1. Source off-leakage current
2. Drain off-leakage current

Source leakage current is defined as the leakage current flowing into or out of the source pin when the switch is off. This current is denoted by the symbol I_S(OFF).

Drain leakage current is defined as the leakage current flowing into or out of the drain pin when the switch is off. This current is denoted by the symbol I_D(OFF).

The setup used to measure both off-leakage currents is shown in Figure 27

Figure 27. Off-Leakage Measurement Setup