The XS™ DrMOS family is Fairchild’s next-generation, fully optimized, integrated MOSFET plus driver power stage solution for high-current, high-frequency, synchronous buck DC-DC applications. The FDMF6707C integrates a driver IC, two power MOSFETs, and a bootstrap Schottky diode into a thermally enhanced, ultra-compact 6x6mm PQFN package.With an integrated approach, the complete switching power stage is optimized for driver and MOSFET dynamic performance, system inductance, and power MOSFET R. XS™ DrMOS uses Fairchild"s highperformance PowerTrench® MOSFET technology, which dramatically reduces switch ringing, eliminating the snubber circuit in most buck converter applications.A new driver IC with reduced dead times and propagation delays further enhances performance. A thermal warning function indicates potential overtemperature situations. FDMF6707C also incorporates features such as Skip Mode (SMOD) for improved lightload efficiency, along with a three-state 5V PWM input for compatibility with a wide range of PWM controllers.
Features
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￭ Over 93% Peak-Efficiency
￭ High-Current Handling of 50A
￭ High-Performance PQFN Copper Clip Package
￭ 3-State 5.0V PWM Input Driver
￭ Skip-Mode SMOD# (Low-Side Gate Turn Off) Input
￭ Thermal Warning Flag for Over-Temperature Condition
￭ Driver Output Disable Function (DISB# Pin)
￭ Internal Pull-Up and Pull-Down for SMOD# and DISB# Inputs, Respectively
￭ Fairchild PowerTrench® Technology MOSFETs for Clean Voltage Waveforms and Reduced Ringing
￭ Fairchild SyncFET™ (Integrated Schottky Diode) Technology in the Low-Side MOSFET
￭ Integrated Bootstrap Schottky Diode
￭ Adaptive Gate Drive Timing for Shoot-through Protection
