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FDMF6705 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. FDMF6705
Description  Extra-Small, High-Performance, High-Frequency DrMOS Module
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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FDMF6705 Datasheet(HTML) 2 Page - ON Semiconductor

 
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April 2013
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FDMF6705 • Rev. 1.0.4
FDMF6705 - Extra-Small, High-Performance, High-
Frequency DrMOS Module
Benefits
Ultra-Compact 6x6 mm PQFN, 72% Space-Saving
Compared to Conventional Discrete Solutions
Fully Optimized System Efficiency
Clean Switching Waveforms with Minimal Ringing
High-Current Handling
Features
Over 93% Peak-Efficiency
High-Current Handling of 40 A, at 12 VIN
High-Current Handling of 38 A at 19 VIN
High-Performance PQFN Copper-Clip Package
3-State 5 V PWM Input Driver
Skip-Mode SMOD# (Low-Side Gate Turn Off) Input
Thermal Warning Flag for Over-Temperature
Condition
Driver Output Disable Function (DISB# Pin)
Internal Pull-Up and Pull-Down for SMOD# and
DISB# Inputs, Respectively
Fairchild PowerTrench® Technology MOSFETs for
Clean Voltage Waveforms and Reduced Ringing
Fairchild SyncFET™ (Integrated Schottky Diode)
Technology in the Low-Side MOSFET
Integrated Bootstrap Schottky Diode
Adaptive Gate Drive Timing for Shoot-through
Protection
Under-Voltage Lockout (UVLO)
Optimized for Switching Frequencies up to 1 MHz
Low-Profile SMD Package
Fairchild Green Packaging and RoHS Compliant
Based on the Intel® 4.0 DrMOS Standard
Description
The XS™ DrMOS family is Fairchild’s next-generation,
fully optimized, ultra-compact, integrated MOSFET plus
driver power stage solutions for high-current, high-
frequency, synchronous buck DC-DC applications. The
FDMF6705 integrates a driver IC, two power MOSFETs,
and a bootstrap Schottky diode into a thermally
enhanced, ultra-compact 6x6mm PQFN package.
With an integrated approach, the complete switching
power stage is optimized with regards to driver and
MOSFET dynamic performance, system inductance,
and Power MOSFET RDS(ON). XS™ DrMOS uses
Fairchild's high-performance PowerTrench® MOSFET
technology, which dramatically reduces switch ringing,
eliminating the need for a snubber circuit in most buck
converter applications.
A new driver IC with reduced dead times and
propagation delays further enhances the performance of
this part. A thermal warning function has been included
to warn of a potential over-temperature situation. The
FDMF6705 also incorporates features, such as Skip
Mode (SMOD), for improved light-load efficiency along
with a 3-state PWM input for compatibility with a wide
range of PWM controllers.
Applications
High-Performance Gaming Motherboards
Notebook Computer V-Core and Non-V-Core
Compact Blade Server, V-Core and Non-V-Core
DC-DC Converters
Desktop Computer, V-Core and Non-V-Core
DC-DC Converters
Workstations
High-Current DC-DC Point-of-Load (POL)
Converters
Small Form-Factor Voltage Regulator Modules
Ordering Information
Part Number
Current Rating
Package
Top Mark
FDMF6705
40 A
40-Lead, Clipbond PQFN DrMOS, 6.0x6.0 mm Package
FDMF6705


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