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This literature is subject to all applicable copyright laws and is not for resale in any manner.FDMF5822DC Smart Power Stage (SPS) Module with Integrated Thermal Warning and Thermal Shutdown May 2016 FDMF5822DC Smart Power Stage (SPS) Module with Integrated Thermal Warning and Thermal Shutdown Features Description The SPS family is Fairchilds next-generation, fully Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip optimized, ultra-compact, integrated MOSFET plus Package with Flip Chip Low-Side MOSFET and driver power stage solution for high-current, high- Dual Cool Architecture frequency, synchronous buck, DC-DC applications. The High Current Handling: 55 A FDMF5822DC integrates a driver IC with a bootstrap Schottky diode, two power MOSFETs, and a thermal 3-State 3.3 V PWM Input Gate Driver 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 With an integrated approach, the SPS switching power Inductor Current Switching 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) performance PowerTrench MOSFET technology, Thermal Warning (THWN ) to Warn Over- which reduces switch ringing, eliminating the need for a Temperature of Gate Driver IC 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 warning function warns of a potential over-temperature Dual Mode Enable / Fault Pin 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 FDMF5822DC incorporates an Auto-DCM Mode (ZCD ) for improved light-load efficiency. The FDMF5822DC Fairchild PowerTrench MOSFETs for Clean also provides a 3-state 3.3 V PWM input for Voltage Waveforms and Reduced Ringing compatibility with a wide range of PWM controllers. Fairchild SyncFET Technology (Integrated Schottky Diode) in Low-Side MOSFET Applications Integrated Bootstrap Schottky Diode Servers and Workstations, V-Core and Non-V-Core Optimized / Extremely Short Dead-Times 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 FDMF5822DC 55 A 31-Lead, Clip Bond PQFN SPS, 5.0 mm x 5.0 mm Package 5822DC 2013 Fairchild Semiconductor Corporation www.fairchildsemi.com FDMF5822DC Rev. 1.9