本文介紹了TOPSwitch-JX系列產(chǎn)品主要特性,功能方框圖,高效19V65W和12V30W通用輸入反激電路圖,以及采用TOPSwitchTM-JXTOP267VG的薄型36.3WLCD監(jiān)視器電源主要特性,電源指標(biāo),電路圖,PCB布局圖和所用材料清單(BOM).PowerInt公司的TOP267VG是TOPSwitch-JX系列產(chǎn)品,集成了725V功率MOSFET,高壓開關(guān)電流源,多模式PWM控制,振蕩器,熱關(guān)斷電路,故障保護(hù)以及其它控制電路.主要用在反激AC/DC轉(zhuǎn)換器

圖1.TOP264-271功能方框圖(E和V封裝).

圖2.TOP264-271高效19V65W通用輸入反激電路圖

采用TOPSwitchTM-JXTOP267VG的薄型36.3WLCD監(jiān)視器電源薄型36.3WLCD監(jiān)視器電源主要特性:

Lowprofile<12mmcomponentheight

Verylowstandbyconsumption



<100mWinputpowerwith6mAloadon5Voutputat230VACinput



<90mWinputpowerwith5mAloadon5Voutputat230VACinput



Verylowno-loadinputpower



No-loadInputpowerof55mWat230VACinput



Highfull-loadefficiency



>82%efficiencyat90VAC/60Hz



LowTOPSwitch-JXdevicetemperature



<92℃at90VAC,60Hz,25℃



<100℃at90VAC,60Hz,40℃



>12dBmarginonconductedEMI



Hystereticoutputovervoltageprotection

Hystereticoutputshort-circuitprotection



Hystereticthermaloverloadprotectionwithlargehysteresispreventsboard

temperatures>100℃

薄型36.3WLCD監(jiān)視器電源指標(biāo):

材料清單(BOM):