Fairchild FDMF6707大电流高效降压电源解决方案

1、fairchild fdmf6707大电流高效降压电源解决方案公司的fdmf6707是generation ii xs drmos器件,在6x6mm尺寸内可提供94%的效率,可处理高达50a的大,具有三态3.3v 输入驱动器,开关频率可高达1mhz,主要用在高性能嬉戏主板,刀形服务器,v-core和无v-core dc/dc转换器,台式计算机和工作站电源,大电流dc/dc pol转换器以及网络和通信微处理器电源.本文介绍了fdmf6707主要特性和优势,方框图, 典型应用框图, 电源损耗测量框图和布局图.fairchild semiconductors generation ii xs drm

2、os devices offer 94% efficiency in 6mm x 6mm form factorthe xs drmos family is fairchilds next-generation, fully optimized, ultra-compact, integrated plus driver power stage solution for high-current, highfrequency, synchronous buck dc-dc applications. the fdmf6707b integrates a driver ic, two power

3、 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 fairchilds highperfo

4、rmance powertrench 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 overtemperat

5、ure 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 solution

6、sfully optimized system efficiencyclean switching waveforms with minimal ringinghigh-current handlingfdmf6707主要特性:over 93% peak-efficiencyhigh-current handling of 50ahigh-performance pqfn copper-clip package3-state 3.3v pwm input driverskip-mode smod (low-side gate turn off) inputthermal warning fla

7、g for over-temperature conditiondriver output disable function (disb pin)internal pull-up and pull-down for smod and disb inputs, respectivelyfairchild powertrench technology mosfets for clean voltage waveforms and reduced ringingfairchild syncfet (integrated schottky diode) technology in the low-si

8、de mosfetintegrated bootstrap schottky diodeadaptive gate drive timing for shoot-through protectionunder-voltage lockout (uvlo)optimized for switching frequencies up to 1mhzlow-profile smd packagefairchild green packaging and rohs compliantbased on the intel 4.0 drmos standardfdmf6707应用:high-performance gaming motherboardscompact blade servers, v-core and non-v-core dc-dc convertersdesktop computers, v-core and non-v-core dc-dc convertersworkstationshigh-current dc-dc point