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Fairchild Semiconductor - High Frequency DrMOS Module

Numéro de référence FDMF6704A
Description High Frequency DrMOS Module
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FDMF6704A fiche technique
September 2008
FDMF6704A - XSTM DrMOS
tm
The Xtra Small High Performance, High Frequency DrMOS Module
Benefits
Ultra compact size - 6 mm x 6 mm MLP, 44 % space
saving compared to conventional MLP 8 mm x 8 mm
DrMOS packages.
Fully optimized system efficiency.
Clean voltage waveforms with reduced ringing.
High frequency operation.
Features
Ultra- compact thermally enhanced 6 mm x 6 mm MLP
package 84 % smaller than conventional discrete solutions.
Synchronous driver plus FET multichip module.
High current handling of 35 A.
Over 93 % peak efficiency.
Logic level PWM input.
Fairchild's PowerTrench® 5 technology MOSFETs for clean
voltage waveforms and reduced ringing.
Optimized for high switching frequencies of up to 1 MHz.
Skip mode SMOD [low side gate turn off] input.
Fairchild SyncFETTM [integrated Schottky diode] technology
in the low side MOSFET.
Integrated bootstrap Schottky diode.
Adaptive gate drive timing for shoot-through protection.
Driver output disable function [DISB# pin].
Undervoltage lockout (UVLO).
Fairchild Green Packaging and RoHS
compliant. Low profile SMD package.
www.DataSheet4U.com
Power Train Application Circuit
5V
CVDRV
CVCIN
DISB#
PWM Input
OFF
ON
VDRV VCIN
DISB#
VIN
BOOT
PWM
SMOD#
PHASE
VSWH
CGND PGND
General Description
The XSTM DrMOS family is Fairchild’s next-generation fully-
optimized ultra-compact integrated MOSFET plus driver power
stage solution for high current, high frequency synchronous
buck DC-DC applications. The FDMF6704A DrMOS integrates
a driver IC, two power MOSFETs and a bootstrap Schottky
diode into a thermally enhanced compact 6 mm x 6 mm MLP
package. With an integrated approach, the complete switching
power stage is optimized with regards to driver and MOSFET
dynamic performance, system inductance and RDS(ON). This
greatly reduces the package parasitics and layout challenges
associated with conventional discrete solutions. The driver IC
incorporates advanced features such as SMOD. A 5 V gate
drive and an improved PCB interface [Low Side MOSFET
exposed pad] ensure higher performance. This product meets
the Intel 6 mm x 6 mm DrMOS pinout.
Applications
Compact blade servers V-core, non V-core and VTT DC-DC
converters.
Desktop computers V-core, non V-core and VTT DC-DC
converters.
Workstations V-core, non V-core and VTT DC-DC
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.
Small form factor voltage regulator modules.
12 V
CVIN
CBOOT
OUTPUT
COUT
Ordering Information
Figure 1. Power Train Application Circuit
Part
FDMF6704A
Current Rating @ 350 kHz
[A]
35
Input Voltage Typical
[V]
8-14
Frequency Max
[kHz]
1000
©2008 Fairchild Semiconductor Corporation
FDMF6704A Rev. C
1
Device
Marking
FDMF6704A
www.fairchildsemi.com

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