MP4021GS是一个Primary Side Corol Offline LED CorollerwithActive PFC，采用SOP-8的引脚封装
其具体的规格如下：
MP4021GS,30W以下隔离方案，全电压输入，电流波动1.5%以内, 260V时PF为0.95，效率在80%以上！
MPS4020/21 优势在于：
1.集成PFC,功率因数很高，大部分情况下在93%以上，**可达98%
2.源边控制，省去光耦和相关电路，降低BOM cos
3.独特的MOSFET控制技术，对MOSFET和快恢复二极管的要求降低很多，对少的方案必须选择昂贵的MOSFET和二极管，进一步降低BOMCOST
4.支持传统的调光模式（原因是采用了独特的MOSFET控制技术）。
总结:隔离电源方案，效率85%、全电压输入，260V时PFC0.95、精度1.5%以内。MP4021是专门一颗针对LED驱动的芯片，功能全很多。单是PFC已经是很大的优势，客户会很看重这点，以及第二点的输出过压检测（就是可以做开路保护）。
Description:
The MP4021 is a primary-side-corol offline LEDlightingcorollerhaachieves high power factor and accurate LEDcuefor single-power stage, isolated lighting applications.Theproprietaryeal cuencorol method accurately corolsheLEDcuenfromhe primary side , andhereforesignificalysimplifieshe LED lighting system desigbyeliminatinghesecondary side feedback compones andheoptocoupler.
The MP4021 iegrates power factor coectioand worksinboundary conductiomodeoeducehe MOSFET switchinglosses.
The extremely low start-up cuenand quiescencuereducestheotal power consumptioto provide a high efficiencysolutionfor lighting applications.
The multi-protectiofeatures of MP4021 significalyimprovesgreatly enhancehe systemeliability and safety. TheMP4021features over-voltage protection, short-circuitprotection,cycle-by-cycle cuenlimit, VCC UVLO andauto-restartover-temperature protection.
Features
• Real CuenCorol WithouSecondary-feedback Circui
• Unique Architecture for Superior Line Regulatio
• High Power Factor: ≥0.9 Over Universal InpuVoltage
• Boundary ConductioMode Improves Efficiency
• Ultra-low (10µA) StarUp Cue
• Low (1mA) QuiescenCue
• InpuUVLO
• Cycle-by-cycle CuenLimi
• Over-voltage Protectio
• Short-circuiProtectio
• Over-temperature Protectio
• Available iaSOIC8 Package
方案服务：可配合协助做方案，提供技术支持
品质承诺：全新年份，原装进口料，品质保障
技术支持：本公司是一家专业从事方案服务和元器件销售的综合性公司，可配合客户做方案，提供技术支持，给您添加了技术
性的保障，解决了您的后顾之忧！
可发邮件或拨打我们的热线进行咨询：TEL:
E-mail:sales.yi@china-ic.com.c
深圳市创力伟科技有限公司
联系人：刘先生 易小姐
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E-mial:sales.yi@china-ic.com.cn QQ:1601532231
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85V~265Vac, evaluatioBoard Primary-side-corolwithActive PFC Off-line WLED Drive
85V~265Vac, evaluatioBoard Primary-side-corolwithActive PFC Off-line WLED Drive
85V~265Vac, evaluatioBoard Primary-side-corolwithActive PFC Off-line WLED Drive
85V~265Vac, evaluatioBoard Primary-side-corolwithActive PFC Off-line WLED Drive