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Fairchild FDMF6707年夜电流高效降压电源处置赏罚赏罚妄图

宣布时间:2011年06月07日 11:06    宣布者:Liming
要害词: Fairchild , FDMF6707 , 降压电源
Fairchild公司的FDMF6707是Generation II XS™ DrMOS器件,在6x6mm尺寸内可供应94%的效力,可处置赏罚赏罚高达50A的年夜电流,具有三态3.3V PWM输入驱动器,开关频率可高达1MHz,主要用在高性能游戏主板,刀形服务器,V-Core和无V-Core DC/DC转换器,台式盘算机和使命站电源,年夜电流DC/DC POL转换器和群集和通讯微处置赏罚赏罚器电源.本文简介了FDMF6707主要特点和优势,方框图, 尺度应用框图, 电源消耗丈量框图和PCB结构图.

Fairchild Semiconductor’s Generation II XS™ DrMOS Devices Offer 94% Efficiency in 6mm x 6mm Form Factor

The XS™ DrMOS family is Fairchild’s next-generation, fully optimized, ultra-compact, integrated MOSFET plus driver power stage solution for high-current, highfrequency, synchronous buck DC-DC applications. The FDMF6707B 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 for driver and MOSFET dynamic performance, system inductance, and power MOSFET RDS(ON). XS™ DrMOS uses Fairchild’s highperformance PowerTrench&reg; MOSFET technology, which dramatically reduces switch ringing, eliminating the snubber circuit in most buck converter applications.

A new driver IC with reduced dead times and propagation delays further enhances performance. A thermal warning function warns of potential overtemperature situations. FDMF6707B also incorporates features such as Skip Mode (SMOD) for improved lightload efficiency, along with a 3-state 3.3V PWM input for compatibility with a wide range of PWM controllers.

FDMF6707优势:

Ultra-Compact 6x6mm PQFN, 72% Space-Saving Compared to Conventional Discrete Solutions

Fully Optimized System Efficiency

Clean Switching Waveforms with Minimal Ringing

High-Current Handling

FDMF6707主要特点:

Over 93% Peak-Efficiency

High-Current Handling of 50A

High-Performance PQFN Copper-Clip Package

3-State 3.3V 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&reg; 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 1MHz

Low-Profile SMD Package

Fairchild Green Packaging and RoHS Compliant

Based on the Intel&reg; 4.0 DrMOS Standard

FDMF6707应用:

High-Performance Gaming Motherboards

Compact Blade Servers, V-Core and Non-V-Core DC-DC Converters

Desktop Computers, V-Core and Non-V-Core DC-DC Converters

Workstations

High-Current DC-DC Point-of-Load (POL) Converters

Networking and Telecom Microprocessor Voltage Regulators

Small Form-Factor Voltage Regulator Modules
2011060710481665.gif
图1.FDMF6707 DrMOS方框图
20110607104817818.gif
图2.FDMF6707 DrMOS尺度应用框图
20110607104817879.gif
图3.FDMF6707 DrMOS电源消耗丈量框图
20110607104817451.gif
图4.FDMF6707 DrMOS显示VCIN滤波器框图
20110607104818774.gif
图5.FDMF6707 DrMOS PCB结构图
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