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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.FDMF6704 The Xtra Small, High Performance, High Frequency DrMOS Module August 2009 TM FDMF6704 - XS DrMOS tm The Xtra Small, High Performance, High Frequency DrMOS Module Benefits General Description TM Ultra compact size - 6 mm x 6 mm MLP, 44 % space The XS DrMOS family is Fairchilds next-generation fully- saving compared to conventional MLP 8 mm x 8 mm optimized, ultra-compact, integrated MOSFET plus driver power DrMOS packages. stage solutions for high current, high frequency synchronous TM buck DC-DC applications. The FDMF6704 XS DrMOS Fully optimized system efficiency. integrates a driver IC, two power MOSFETs and a bootstrap Clean voltage waveforms with reduced ringing. Schottky diode into a thermally enhanced, ultra compact 6 mm x High frequency operation. 6 mm MLP package. With an integrated approach, the complete Compatible with a wide variety of PWM controllers in the switching power stage is optimized with regards to driver and market. MOSFET dynamic performance, system inductance and R . This greatly reduces the package parasitics and layout DS(ON) Features challenges associated with conventional discrete solutions. TM XS DrMOS uses Fairchild s high performance Ultra- compact thermally enhanced 6 mm x 6 mm MLP TM PowerTrench 5 MOSFET technology, which dramatically package 84 % smaller than conventional discrete solutions. reduces ringing in synchronous buck converter applications. Synchronous driver plus FET multichip module. TM PowerTrench 5 can eliminate the need for a snubber circuit in High current handling of 35 A. buck converter applications. The driver IC incorporates Over 93 % peak efficiency. advanced features such as SMOD for improved light load Tri-State PWM input. efficiency and a Tri-State PWM input for compatibility with a 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. specification. TM 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 converters. Undervoltage lockout (UVLO). Workstations V-core, non V-core and VTT DC-DC Fairchild Green Packaging and RoHS converters. compliant. Low profile SMD package. 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 5 V 12 V C C VDRV VIN VDRV VCIN VIN R BOOT DISB DISB BOOT C BOOT PWM Input PWM PHASE L OUT OFF SMOD VSWH OUTPUT ON CGND PGND C OUT Figure 1. Power Train Application Circuit Ordering Information Order Number Marking Temperature Range Device Package Packing Method Quantity FDMF6704 FDMF6704 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 FDMF6704 Rev. G