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Was that the same as for the mosfet? But to be sure i had a question. Please bear in mind that eventhough a logic level FET, the IRLN is not at its lowest resistance at 5 Volt, but it shld be low enough to make 10 amp no problem.
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irf ETC-unknow, irf Datasheet
datasgeet This is for direct transfer so it is already mirrorred the right way. I can imagine that a SOT23 indeed can only take a current the size of 7 amps if there hardly is any dissipation read low RDSon. Maybe you alreadymeasured it but just to make sure, when your problem aises, have you datashheet if there is still voltage on the gate or even voltage on your PSU? This is not the gate voltage to turn the device on, its the gate voltage at which it switches fully off less than a few uA of current, typically.
Thanks, I learnt few things in my new journey. If bought per 20 it is 26 eurocts a piece. If you come up with an idea I would be happy to hear it. So if yr gate voltage is 5Volt, your source voltage will never be above that. Switching speed indeed is important. It seems mosfet get burned every time.
I just need to switch on and off small DC motor. That is always a special situation coz of the huge spikes you can get in the coil. Also the and will be more efficient with this circuit. Rds 38mOhm with a Vgs of 3. Who can tell me what should I improve i my schematic?
(PDF) IRF9622 Datasheet download
The Vce in saturation is about 0. I will try source a IRL The standard mosfet IRF series etc is designed to run from 10V. The datasheet mentioned a current between 21 Amperes Amperes for driving led. It contains an opto-isolator and does all the gate driving.
IRF9622 MOSFET. Datasheet pdf. Equivalent
I am using this converter: I presume you are aware of the designcriteria datasheeg an H-bridge and the chances of shorting your PSU if you dont do the switching correctly. Sorry, your blog cannot share posts by email. Oh i fully agree Datasheft. This will need a good heatsink if the load is on for more than a second or two, but it is no issue if it gets millisecond pulses every few seconds. What kind of lamp is it?
The IRL is a logic level FET and putting 5 Volt on the gate should be enough to open it up, albeit that it has a drain source resistance of less than one ohm, though that depends a bit on the current and the temperature. If you are using this circuit to switch dattasheet serious loads, then it is wise to solder some thick wire over the tracks coming from the MOSFET.
Thanks — You are correct. Very good article, thanks for talking about a subject often overlooked by many. For example, when used with a high frequency PWM and high amps, careful testing must be done, because high frequency means more time spent in the linear zone, and these parts can quickly get hot and burn, differently of TO parts, that can also burn, but only after some minutes of overheating.
The battery is ok and gives a steady 4 volts. A logic level mosfet means that it is designed to turn on fully from the logic level of a microprocessor.
That just will make your circuit datawheet easier and save you a transistor and resistor. Do you have the break out board in the drain or the source?