FL6632是Fairchild公司的一款LED 照明 IC产品，FL6632是Primary-Side-Regulated LED Driver with Power Factor Correction，本站介绍了FL6632的封装应用图解、特点和优点、功能等，并给出了与FL6632相关的Fairchild仙童半导体元器件型号供参考。
FL6632 - Primary-Side-Regulated LED Driver with Power Factor Correction - LED 照明 IC - 照明 IC - Fairchild（仙童半导体）
ThishighlyintegratedPWMcontrollerprovidesseveralfeaturestoenhancetheperformanceoflow-powerflybackconverters.TheproprietarytopologyenablessimplifiedcircuitdesignforLEDlightingapplications.
Byusingsingle-stagetopologywithprimary-sideregulation,aLEDlightingboardcanbeimplementedwithfewexternalcomponentsandminimizedcost.Noinputbulkcapacitororfeedbackcircuitryisrequired.ToimplementgoodpowerfactorandlowTHD,constanton-timecontrolisutilizedwithanexternalcapacitorconnectedtotheCOMIpin.
Preciseconstant-currentcontrolregulatesaccurateoutputcurrentversuschangesininputvoltageandoutputvoltage.TheoperatingfrequencyisproportionallyadjustedbytheoutputvoltagetoguaranteeDCMoperationwithhigherefficiencyandsimplerdesign.
FL6632providesopen-LED,short-LED,andover-temperatureprotectionfeatures.Thecurrentlimitlevelisautomaticallyreducedtominimizeoutputcurrentandprotectexternalcomponentsinashort-LEDcondition.
TheFL6632controllerisavailableinan8-pinSmall-OutlinePackage(SOP).
- Cost-Effective Solution: No Input Bulk Capacitor or Feedback Circuitry
- Power Factor Correction
- Accurate Constant-Current (CC) Control, Independent Online Voltage, Output Voltage,
- and Magnetizing Inductance Variation
- Linear Frequency Control Improves Efficiency and Simplifies Design
- Open-LED Protection
- Short-LED Protection
- Cycle-by-Cycle Current Limiting
- Over-Temperature Protection with Auto Restart
- Low Startup Current: 20 μA
- Low Operating Current: 5 mA
- VDD Under-Voltage Lockout (UVLO)
- Gate Output Maximum Voltage Clamped at 18V
- SOP-8 Package
- Application Voltage Range: 80 VAC ~ 308 VAC
- LED照明—中功率—不调光
- LED照明—中功率—模拟/PWM调光
- LED照明—低功率—不调光
- LED照明—低功率—模拟/PWM调光
- LED照明—高功率—不调光
- LED照明—高功率—模拟/PWM调光
- 照明
| 具体产品型号 | 生产状况及ROHS标准 | 仙童官网订购价格(美元) |
| FL6632MX | 量产-ROHS：截至2014年12月 | $0.69 |
