The FAN3121 and FAN3122 MOSFET drivers aredesigned to drive N-channel enhancement MOSFETs inlow-side switching applications by providing high peakcurrent pulses. The drivers are available with either TTL(FAN312xT) or CMOS (FAN312xC) input thresholds.Internal circuitry provides an under-voltage lockoutfunction by holding the output low until the supplyvoltage is within the operating range.FAN312x drivers incorporate the MillerDrive™architecture for the final output stage. This bipolar /MOSFET combination provides the highest peakcurrent during the Miller plateau stage of the MOSFETturn-on / turn-off process.The FAN3121 and FAN3122 drivers implement anenable function on pin 3 (EN), previously unused in theindustry-standard pin-out. The pin is internally pulled upto VDD for active HIGH logic and can be left open forstandard operation.The FAN3121/22 is available in a 3x3mm 8-lead thermallyenhancedMLP package or an 8-lead SOIC package.
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