I just made a simple motor switch for a friend. Essentially a tactile switch that pulls the gate voltage up to turn on the motor (high side) with MOSFET Source pin to ground. The gate is tied to ground with a 33k resistor.
Supply voltage is 6V.
My problem, I measured the leakage current without pressing the switch and I get about 300 microamps (0.3 mA). It climbs from 120 uA when first energized and starts to hold steady at about 360 uA
The Vgs is 0.000 volts.
There is no leakage across the switch. Switch was also disconnected from the circuit and same happened.
MOSFET is STP55NF06L
It should have a leakage current of less than 1 uA.
Any ideas what may cause this? Static, no-reverse bias diode while testing, ? Unfortunatly I do not have another logic level MOSFET to check other theories for now.
Cheers.,
Supply voltage is 6V.
My problem, I measured the leakage current without pressing the switch and I get about 300 microamps (0.3 mA). It climbs from 120 uA when first energized and starts to hold steady at about 360 uA
The Vgs is 0.000 volts.
There is no leakage across the switch. Switch was also disconnected from the circuit and same happened.
MOSFET is STP55NF06L
It should have a leakage current of less than 1 uA.
Any ideas what may cause this? Static, no-reverse bias diode while testing, ? Unfortunatly I do not have another logic level MOSFET to check other theories for now.
Cheers.,