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 VDD 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.
| Product | Product & Eco Status | *Pricing | Packaging & Packing Info | **Package Marking Convention | Qualification Support | Compliance Certificates |
|---|---|---|---|---|---|---|
| FAN3121CMPX |
Full Production Green as of Oct 2008 |
$1.31 | MLP 3x3 8L (Power 33) Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:3121C
|
ESD (HBM) :
2000
V Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
|
| FAN3121CMX |
Full Production ROHS Compliant |
$1.2 | SO 8L NB Details TAPE REEL |
Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K
Line 2:FAN3121C
|
ESD (HBM) :
2000
V Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260 |
|
| Application Note | Description |
|---|---|
| AN-6069 | Application Review and Comparative Evaluation of Low-Side Gate Driver(471 K) 03-Apr-2013 |
| AN-6069SC | AN-6069-Application Review and Comparative Evaluation of Low-Side Gate Driver(588 K) 20-Jul-2011 |