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This literature is subject to all applicable copyright laws and is not for resale in any manner.FDMF5823DC Smart Power Stage (SPS) Module with Integrated Thermal Warning and Thermal Shutdown May 2016 FDMF5823DC Smart Power Stage (SPS) Module with Integrated Thermal Warning and Thermal Shutdown Features Description Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip The SPS family is Fairchilds next-generation, fully Package with Flip Chip Low-Side MOSFET and optimized, ultra-compact, integrated MOSFET plus Dual Cool Architecture driver power stage solution for high-current, high- frequency, synchronous buck, DC-DC applications. The High Current Handling: 55 A FDMF5823DC integrates a driver IC with a bootstrap 3-State 5 V PWM Input Gate Driver Schottky diode, two power MOSFETs, and a thermal monitor into a thermally enhanced, ultra-compact 5 mm, Dynamic Resistance Mode for Low-Side Drive x 5 mm package. (LDRV) Slows Low-Side MOSFET during Negative Inductor Current Switching With an integrated approach, the SPS switching power stage is optimized for driver and MOSFET dynamic Auto DCM (Low-Side Gate Turn Off) Using performance, minimized system inductance, and power ZCD Input MOSFET R . The SPS family uses Fairchild s high- DS(ON) Thermal Warning (THWN ) to Warn Over- performance PowerTrench MOSFET technology, Temperature of Gate Driver IC which reduces switch ringing, eliminating the need for a snubber circuit in most buck converter applications. Thermal Shutdown (THDN) A driver IC with reduced dead times and propagation HS-Short Detect Fault / Shutdown delays further enhances the performance. A thermal Dual Mode Enable / Fault Pin warning function warns of a potential over-temperature situation. A thermal shutdown function turns off the Internal Pull-Up and Pull-Down for ZCD and driver if an over-temperature condition occurs. The EN Inputs, respectively FDMF5823DC incorporates an Auto-DCM Mode (ZCD ) Fairchild PowerTrench MOSFETs for Clean for improved light-load efficiency. The FDMF5823DC Voltage Waveforms and Reduced Ringing also provides a 3-state 5 V PWM input for compatibility with a wide range of PWM controllers. Fairchild SyncFET Technology (Integrated Schottky Diode) in Low-Side MOSFET Applications Integrated Bootstrap Schottky Diode Optimized / Extremely Short Dead-Times Servers and Workstations, V-Core and Non-V-Core DC-DC Converters Under-Voltage Lockout (UVLO) on VCC Desktop and All-in-One Computers, V-Core and Optimized for Switching Frequencies up to 1.5 MHz Non-V-Core DC-DC Converters PWM Minimum Controllable On-Time: 30 ns High-Performance Gaming Motherboards Low Shutdown Current: < 3 A High-Current DC-DC Point-of-Load Converters Optimized FET Pair for Highest Efficiency: Networking and Telecom Microprocessor Voltage 10 ~ 15% Duty Cycle Regulators Operating Junction Temperature Range: Small Form-Factor Voltage Regulator Modules -40C to +125C Fairchild Green Packaging and RoHS Compliance Ordering Information Part Number Current Rating Package Top Mark FDMF5823DC 55 A 31-Lead, Clip Bond PQFN SPS, 5.0 mm x 5.0 mm Package 5823DC 2013 Fairchild Semiconductor Corporation www.fairchildsemi.com FDMF5823DC Rev. 1.9