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ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.TM FDMF6704V - XS DrMOS with Internal 5V Regulator August 2009 TM FDMF6704V - XS DrMOS tm The Xtra Small, High Performance, High Frequency DrMOS Module with LDO Benefits General Description TM Single 12 V power supply operation. The XS DrMOS family is Fairchilds next-generation fully- Ultra compact size - 6 mm x 6 mm MLP, 44 % space optimized, ultra-compact, integrated MOSFET plus driver power saving compared to conventional MLP 8 mm x 8 mm stage solutions for high current, high frequency synchronous TM DrMOS packages. buck DC-DC applications. The FDMF6704V XS DrMOS Ultra compact thermally enhanced 6 mm x 6 mm MLP integrates a driver IC, two power MOSFETs and a bootstrap package 84 % smaller than conventional discrete solutions. Schottky diode along with an integrated 5 V gate drive LDO Fully optimized system efficiency. regulator into a thermally enhanced, ultra compact 6 mm x 6 Clean voltage waveforms with reduced ringing. mm MLP package. With an integrated approach, the complete High frequency operation. switching power stage is optimized with regards to driver and Compatible with a wide variety of PWM controllers in the MOSFET dynamic performance, system inductance and market. R . This greatly reduces the package parasitics and layout DS(ON) Single input voltage operation. challenges associated with conventional discrete solutions. TM XS DrMOS uses Fairchild s high performance TM Features PowerTrench 5 MOSFET technology, which dramatically reduces ringing in synchronous buck converter applications. Internal 12 V to 5 V regulator. TM PowerTrench 5 can eliminate the need for a snubber circuit in Synchronous driver plus FET multichip module. buck converter applications. The driver IC incorporates High current handling of 35 A. advanced features such as SMOD for improved light load Over 93 % peak efficiency. efficiency and a Tri-State PWM input for compatibility with a Tri-State PWM input. wide range of PWM controllers. A 5 V gate drive and an Fairchild s PowerTrench 5 technology MOSFETs for clean improved PCB interface, optimized for a maximum low side FET voltage waveforms and reduced ringing. exposed pad area, ensure higher performance. This product is Optimized for high switching frequencies of up to 1 MHz. compatible with the new Intel 6 mm x 6 mm DrMOS Skip mode SMOD low side gate turn off input. TM specification. Fairchild SyncFET integrated Schottky diode technology in the low side MOSFET. Applications Integrated bootstrap Schottky diode. Compact blade servers V-core, non V-core and VTT DC-DC Adaptive gate drive timing for shoot-through protection. converters. Driver output disable function DISB pin . Desktop computers V-core, non V-core and VTT DC-DC Undervoltage lockout (UVLO). converters. Fairchild Green Packaging and RoHS Workstations V-core, non V-core and VTT DC-DC compliant. Low profile SMD package. converters. Gaming Motherboards V-core, non V-core and VTT DC-DC converters. Gaming consoles. High-current DC-DC Point of Load (POL) converters. Networking and telecom microprocessor voltage regulators. Power Train Application Circuit V DRV C VDRV C V IN VCIN C VIN VCIN VDRV VIN R BOOT DISB DISB BOOT C BOOT PWM Input PWM L PHASE OUT OFF SMOD VSWH OUTPUT ON C CGND PGND OUT Figure 1. Power Train Application Circuit Ordering Information Order Number Marking Temperature Range Device Package Packing Method Quantity FDMF6704V FDMF6704V 1 -55 C to 150 C 40 Pin, 3 DAP, MLP 6x6 mm Tape and Reel 3000 2008 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com FDMF6704V Rev.C