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FDMF8704

Fairchild Semiconductor
Part Number FDMF8704
Manufacturer Fairchild Semiconductor
Description High Current / High Frequency FET plus Driver Multi-chip Module
Published Jan 13, 2008
Detailed Description www.DataSheet4U.com FDMF8704 High Current / High Frequency FET plus Driver Multi-chip Module November 2007 FDMF8704 B...
Datasheet PDF File FDMF8704 PDF File

FDMF8704
FDMF8704

Overview
www.
DataSheet4U.
com FDMF8704 High Current / High Frequency FET plus Driver Multi-chip Module November 2007 FDMF8704 Benefits „ 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.
tm High Current / High Frequency FET plus Driver Multi-chip Module General Description The FDMF8704 is a fully optimized integrated 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, MLP 8x8, 56-pin 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.
Features „ 7V to 20V Input Voltage Range „ Output current to 32A „ 1MHz switching frequency capable „ Internal adaptive gate drive „ Low Side FET with Integrated Schottky Diode „ Peak Efficiency >90% „ Output disable for lost phase shutdown „ Low profile SMD package „ RoHS Compliant Applications „ 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 5V 7 - 20V CVIN VIN DISB PWM Input DISB VCIN BOOT HSEN PWM CGND VSWH PGND COUT CBOOT OUTPUT CVCIN Figure 1.
Powertrain...


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