The FDMF6820C is a fully optimized ultra-compact integrated MOSFET plus Driver Power Stage Solution for high-current, high-frequency, synchronous buck DC-DC applications. The FDMF6820C integrates a driver IC, two power MOSFETs and a bootstrap Schottky diode. With an integrated approach, the complete switching power stage is optimized with regard to driver and MOSFET dynamic performance, system inductance and power MOSFET RDS(ON). XS? DrMOS uses Fairchild's high-performance PowerTrench? MOSFET technology, which dramatically reduces switch ringing, eliminating the need for snubber circuit in most buck converter applications. A driver IC with reduced dead times and propagation delays further enhances the performance. A thermal warning function warns of a potential over-temperature situation. The FDMF6820C also provides a 3-state 3.3V PWM input for compatibility with a wide range of PWM controllers.
- Over 93% peak-efficiency
- Skip-mode SMOD# (low-side gate turn-OFF) input
- Thermal warning flag for over-temperature condition
- Driver output disable function
- Internal pull-up and pull-down for SMOD# and DISB# inputs, respectively
- Adaptive gate drive timing for shoot-through protection
- Under-voltage lockout (UVLO)
- Optimized for switching frequencies up to 1MHz
- Based on the Intel? 4.0 DrMOS standard
- High current handling
- Clean switching waveforms with minimal ringing
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