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FDMF6705V Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FDMF6705V Datasheet(HTML) 1 Page - Fairchild Semiconductor |
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1 / 18 page  March 2011 © 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FDMF6705V • Rev. 1.0 1 FDMF6705V – XS™ DrMOS – Extra-Small, High- Performance, High-Frequency DrMOS Module Benefits Single 12V Input Power Supply Operation Ultra-Compact 6x6mm PQFN, 72% Space-Saving Compared to Conventional Discrete Solutions Fully Optimized System Efficiency Clean Switching Waveforms with Minimal Ringing High-Current Handling Features Over 93% Peak-Efficiency High-Current Handling of 43A High-Performance PQFN Copper Clip Package 3-State 5V PWM Input Driver Shorter Propagation Delays than FDMF6704V Shorter Dead Times than FDMF6704V 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 Under-Voltage Lockout (UVLO) Optimized for Switching Frequencies up to 1MHz Low-Profile SMD Package Fairchild Green Packaging and RoHS Compliant Based on the Intel® 4.0 DrMOS Standard Description The XS™ DrMOS family is Fairchild’s next-generation, fully optimized, ultra-compact, integrated MOSFET plus driver power stage solutions for high-current, high- frequency, synchronous buck DC-DC applications. The FDMF6705V 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 with regards 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 a snubber circuit in most buck converter applications. A new driver IC with reduced dead times and propagation delays further enhances the performance of this part. A thermal warning function has been included to warn of a potential over-temperature situation. The FDMF6705V also incorporates features, such as Skip Mode (SMOD), for improved light-load efficiency along with a 3-state PWM input for compatibility with a wide range of PWM controllers. Applications High-Performance Gaming Motherboards Compact Blade Servers, V-Core and Non-V-Core DC-DC Converters Desktop Computers, V-Core and Non-V-Core DC-DC Converters Workstations High-Current DC-DC Point-of-Load (POL) Converters Networking and Telecom Microprocessor Voltage Regulators Small Form-Factor Voltage Regulator Modules Ordering Information Part Number Current Rating Input Voltage Switching Frequency Package Top Mark FDMF6705V 40A 12V 1000kHz 40-Lead, Clipbond PQFN DrMOS, 6.0x6.0mm Package FDMF6705V |
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