kesavparu
Newbie level 4
hello,
I am controlling GSM 4.4v power supply with AO3409 ( its vgs(theresold)=2.4v at 250uA). I am controlling gate of mosfet with 3V logic level signal. but my problem is , i am unable to controll the 4.4v power. it is always ON. please fix my probelm. how to select mosfet with RDS(on),Vgs(thresold).
I am controlling GSM 4.4v power supply with AO3409 ( its vgs(theresold)=2.4v at 250uA). I am controlling gate of mosfet with 3V logic level signal. but my problem is , i am unable to controll the 4.4v power. it is always ON. please fix my probelm. how to select mosfet with RDS(on),Vgs(thresold).