International Rectifier / Infineon IRLML MOSFET are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for International. IRLML Infineon / IR MOSFET datasheet, inventory, & pricing. IRLML datasheet, IRLML pdf, IRLML data sheet, datasheet, data sheet, pdf, International Rectifier, 30V Single N-Channel HEXFET Power.
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It won’t be able to deliver 1A or more continuously, however – it can only do that for short pulses. I would place a 0 ohm resistor there for future experimentation.
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The chip specifies the “typical” LO output current as 1A, not an absolute maximum. It’s not current that kills a FET, it’s overheating. If the pulse is short enough, the FET will not heat up much and therefore survive just fine.
As long as that doesn’t cause it to get hotter than its maximum junction temperature, no harm will be done.
IRLML Datasheet PDF –
30V Single N-Channel HEXFET Power MOSFET In A Micro 3 Package
Unimportant 1 6. Sign up using Facebook. Home Questions Tags Users Unanswered. In fact, the datasheet for the MIC states: The poly most modern processes use poly gates has some resistance; different Fabs have their own secret sauces.
IRLML infineon _ BDTIC a Leading Distributor in China
My thinking is this should lead to current peaks that easily exceed the driver’s 1A maximum peak current and damage the chip, but the evaluation board demonstrates that this is not the case, what am I missing? MOSFETs like the ones in the MIC’s output stage can handle large current pulses for a short time by simply absorbing the heat generated by the pulse in their thermal lrlml2803.
On page 4, bottom right, there’s a graph showing the maximum safe operating area SOA of the datasgeet. Owing to the fact that this gate driver features adaptive dead-time and thus monitors the gate of the MOSFET to determine when it has fully turned datasheft, a gate resistor prevents proper sensing of the actual gate.
The Apps Engineer likely will not have access to any Fab details. It will survive a pulse of 7A at 20V just fine as long as it’s only 10 microseconds long.