FAN3121TMX Datasheet PDF - ON Semiconductor

●The FAN3121 and FAN3122 MOSFET drivers are designed to drive N-channel enhancement MOSFETs in low-side switching applications by providing high peak current pulses. The drivers are available with either TTL (FAN312xT) or CMOS (FAN312xC) input thresholds. Internal circuitry provides an under-voltage lockout function by holding the output low until the supply voltage is within the operating range. FAN312x drivers incorporate the MillerDrive™ architecture for the final output stage. This bipolar / MOSFET combination provides the highest peak current during the Miller plateau stage of the MOSFET turn-on / turn-off process. The FAN3121 and FAN3122 drivers implement an enable function on pin 3 (EN), previously unused in the industry-standard pin-out. The pin is internally pulled up to V for active HIGH logic and can be left open for standard operation. The FAN3121/22 is available in a 3x3mm 8-lead thermally-enhanced MLP package or an 8-lead SOIC package.

●Features

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● Industry-Standard Pin-out with Enable Input

● 4.5 to 18 V Operating Range

● 11.4 A Peak Sink at VDD = 12 V

● 9.7 A Sink / 7.1 A Source at VOUT = 6 V

● Inverting Configuration (FAN3121) and Non-Inverting Configuration (FAN3122)

● Internal Resistors Turn Driver Off If No Inputs

● 23 ns / 19 ns Typical Rise/Fall Times with 10nF Load

● 20 ns Typical Propagation Delay Time

● Choice of TTL or CMOS Input Thresholds

● MillerDrive™ Technology

● Available in Thermally Enhanced 3x3mm 8-Lead MLP or 8-Lead SOIC Package (Pb-Free Finish)

● Rated from –40°C to +125°C