1、fairchild fdmf6707大電流高效降壓電源解決方案公司的fdmf6707是generation ii xs drmos器件,在6x6mm尺寸內(nèi)可提供94%的效率,可處理高達(dá)50a的大,具有三態(tài)3.3v 輸入驅(qū)動(dòng)器,開(kāi)關(guān)頻率可高達(dá)1mhz,主要用在高性能嬉戲主板,刀形服務(wù)器,v-core和無(wú)v-core dc/dc轉(zhuǎn)換器,臺(tái)式計(jì)算機(jī)和工作站電源,大電流dc/dc pol轉(zhuǎn)換器以及網(wǎng)絡(luò)和通信微處理器電源.本文介紹了fdmf6707主要特性和優(yōu)勢(shì),方框圖, 典型應(yīng)用框圖, 電源損耗測(cè)量框圖和布局圖.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優(yōu)勢(shì):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應(yīng)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