FDMF6700
FDMF6700 Datasheet
FDMF6700 Driver plus FET Multi-chip Module
| Part | Datasheet |
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FDMF6700 |
FDMF6700 (pdf) |
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| FDMF6700 Driver plus FET Multi-chip Module May 2007 FDMF6700 Driver plus FET Multi-chip Module - Fully optimized system efficiency. Higher efficiency levels are achievable compared with conventional discrete components. - Space savings of up to 50% PCB versus discrete solutions. - Higher frequency of operation. - Simpler system design and board layout. Reduced time in component selection and optimization. - 12V typical Input Voltage - Output current up to 25A - 500KHz switching frequency capable - Internal adaptive gate drive - Integrated bootstrap diode - Peak Efficiency >85% - Under-voltage Lockout - Output disable for lost phase shutdown - Low profile SMD package - RoHS Compliant The FDMF6700 is a fully optimized integrated 12V Driver plus MOSFET power stage solution for high current synchronous buck DC-DC applications. The device integrates a driver IC and two Power MOSFETs into a space saving, 6mm x 6mm, 40-pin Power66 package. Fairchild Semiconductor’s integrated approach optimizes the complete switching power stage with regards to driver to FET dynamic performance, system inductance and overall solution ON resistance. Package parasitics and problematical layouts associated with conventional discrete solutions are greatly reduced. This integrated approach results in significant board space saving, therefore maximizing footprint power density. This solution is based on the Intel DrMOS specification. - Desktop and server VR11.x V-core and non V-core buck converters. - CPU/GPU power train in game consoles and high end desktop systems. - High-current DC-DC Point of Load POL converters - Networking and telecom microprocessor voltage regulators - Small form factor voltage regulator modules Powertrain Application Circuit 12V CVCC DISB PWM Input VCIN DISB VIN BOOT VSWH CGND PGND CBOOT OUTPUT COUT Figure Powertrain Application Circuit Ordering Information Part FDMF6700 Current Rating Max [A] Input Voltage Typical [V] Frequency Max [KHz] 2007 Fairchild Semiconductor Corporation Device Marking FDMF6700 FDMF6700 Driver plus FET Multi- chip Module Functional Block Diagram DISB PWM BOOT VCIN HDRV VIN VCIN VSWH Pin Configuration CGND LDRV PGND Figure Functional Block Diagram CGND NC VCIN BOOT CGND VSWH NC TEST PAD1 VIN PWM 40 DISB TEST PAD2 CGND VSWH PGND 31 CGND VSWH 11 VIN VSWH 20 VSWH PGND VSWH Figure Power66 40L Bottom View FDMF6700 Driver plus FET Multi- chip Module Pin Description 1,5,37,A 2,7 3 4 Name CGND NC VCIN BOOT 6,15-21,36,C VSWH 9-4,B 8 VIN TEST PAD 1 22-35 38 PGND TEST PAD 2 DISB Function IC Ground. Ground return for driver IC. No connect IC Supply. +12V chip bias power. Bypass with a 1µF ceramic capacitor. Bootstrap Supply Input. Provides voltage supply to high-side MOSFET driver. Connect bootstrap capacitor. Switch Node Input. SW Provides return for high-side bootstrapped driver and acts as a sense point for the adaptive shoot-thru protection. Power Input. Output stage supply voltage. For manufacturing test only. HDRV pin. This pin must be floated. Must not be connected to any pin. Power ground. Output stage ground. Source pin of low side MOSFET s . For manufacturing test only. LDRV pin. This pin must be floated. Must not be connected to any pin. Output Disable. When low, this pin disable FET switching HDRV and LDRV are held low . PWM Signal Input. This pin accepts a logic-level PWM signal from the controller. Absolute Maximum Rating |
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