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FDMF5820DC Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FDMF5820DC Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 25 page February 2014 © 2013 Fairchild Semiconductor Corporation www.fairchildsemi.com FDMF5820DC • Rev. 1.0.1 FDMF5820DC – Smart Power Stage (SPS) Module with Integrated Temperature Monitor Features Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip Package with Flip Chip Low-Side MOSFET and Dual Cool Architecture High Current Handling: 60 A 3-State 3.3 V PWM Input Gate Driver Dynamic Resistance Mode for Low-Side Drive (LDRV) Slows Low-Side MOSFET during Negative Inductor Current Switching Auto DCM (Low-Side Gate Turn Off) Using ZCD# Input Thermal Monitor for Module Temperature Reporting Programmable Thermal Shutdown (P_THDN) HS-Short Detect Fault# / Shutdown Dual Mode Enable / Fault# Pin Internal Pull-Up and Pull-Down for ZCD# and EN Inputs, respectively Fairchild PowerTrench® MOSFETs for Clean Voltage Waveforms and Reduced Ringing Fairchild SyncFET™ Technology (Integrated Schottky Diode) in Low-Side MOSFET Integrated Bootstrap Schottky Diode Optimized / Extremely Short Dead-Times Under-Voltage Lockout (UVLO) on VCC Optimized for Switching Frequencies up to 1.5 MHz PWM Minimum Controllable On-Time: 30 ns Low Shutdown Current: < 3 µA Optimized FET Pair for Highest Efficiency: 10 ~ 15% Duty Cycle Operating Ambient Temperature Range: -40°C to +125°C Fairchild Green Packaging and RoHS Compliance Description The SPS family is Fairchild’s next-generation, fully optimized, ultra-compact, integrated MOSFET plus driver power stage solution for high-current, high- frequency, synchronous buck, DC-DC applications. The FDMF5820DC integrates a driver IC with a bootstrap Schottky diode, two power MOSFETs, and a thermal monitor into a thermally enhanced, ultra-compact, 5 mm x 5 mm package. With an integrated approach, the SPS switching power stage is optimized for driver and MOSFET dynamic performance, minimized system inductance, and power MOSFET RDS(ON). The SPS family uses Fairchild's high- performance PowerTrench ® MOSFET technology, which reduces switch ringing, eliminating the need for a snubber circuit in most buck converter applications. A driver IC with reduced dead times and propagation delays further enhances the performance. A thermal monitor function warns of a potential over-temperature situation. A programmable thermal shutdown function turns off the driver if an over-temperature condition occurs. The FDMF5820DC incorporates an Auto-DCM Mode (ZCD#) for improved light-load efficiency. The FDMF5820DC also provides a 3-state 3.3 V PWM input for compatibility with a wide range of PWM controllers. Applications Servers and Workstations, V-Core and Non-V-Core DC-DC Converters Desktop and All-in-One Computers, V-Core and Non-V-Core DC-DC Converters High-Performance Gaming Motherboards High-Current DC-DC Point-of-Load Converters Networking and Telecom Microprocessor Voltage Regulators Small Form-Factor Voltage Regulator Modules Ordering Information Part Number Current Rating Package Top Mark FDMF5820DC 60 A 31-Lead, Clip Bond PQFN SPS, 5.0 mm x 5.0 mm Package FDMF5820DC |
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