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NCL30083: 步进调光准谐振初级侧电流模式控制器,用于温度折回的 LED 照明

Datasheet: Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Thermal Fold-back
Rev. 2 (387kB)
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NCL30083 是一款 PWM 电流模式控制器,用于隔离反激和非隔离降压-升压恒定电流拓扑结构。该控制器以准谐振模式运行,可提供高能效。由于采用新型控制方法,该器件能够精确调节初级侧的恒定 LED 电流。因此无需辅助侧反馈电路、偏置和光耦合器。该器件与极少数量的外部部件进行高度集成。 内置了一组强大的安全保护功能,简化了设计。 该器件支持 5 步日志调暗至 5%。 为了延长系统寿命,它在用户可编程温度点具有电流折回功能。NCL30083 集成了固定过电压保护,设计人员可以选择编程更低的过电压保护电平。
特性   优势
     
  • Primary Side Sensing
 
  • No optocoupler or secondary control circuitry required
  • Wide VCC Range
 
  • Allows support for wide number of LEDs in string and simplifies transformer design
  • Precise LED Current Regulation of ±1% typical
 
  • No need for binning of LED forward voltage or trimming in production for accuracy
  • ~ 0.9 power factor with passive valley fill
 
  • Meets Energystar® LED Bulb and Residential Luminaire Standards
  • User Programmable Thermal Foldback
 
  • Protects system from overheating by gracefully reducing current
  • Open and Shorted Output Protection
 
  • Robust handling of faults
  • Secondary Diode Short Protection
 
  • Avoids overheating in fault conditions
  • 5 Step Dimmable to < 5% output current
 
  • Allows dimming with standard wall switch
  • VCC undervoltage and overvoltage protection
 
  • Reliable operation across all conditions
  • Latched (A version) and Auto-recoverable (B version) fault handling
 
  • Flexiblity in design
  • Wide temperature range of -40 to 125 °C
 
  • Supports outdoor and high temperature operating environments
  • Input Line Voltage Sensing
 
  • Enhanced regulation accuracy
  • Programmable Soft start
 
  • Improves startup behavior
应用   终端产品
  • Line Powered LED Drivers
  • Integral Driver Electronics
 
  • Integral LED Bulbs and downlights
  • LED Light Engines
  • Electronic Control Gear for LEDs
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCL30083BB1GEVB Active
Pb-free
10 W / 200 mA Buck Boost Evaluation Board
NCL30083FLYGEVB Active
Pb-free
FLYBACK A19 10W/500MA 100
Availability & Samples
Specifications
外形
应用框图
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
NCL30083ADMR2G Last Shipments
Pb-free
Halide free
NCL30083, and latching on faults Micro8 846A-02 1 260 Tape and Reel 4000  
NCL30083BDMR2G Last Shipments
Pb-free
Halide free
NCL30083, and all faults are auto-recoverable Micro8 846A-02 1 260 Tape and Reel 4000  
NCL30083BDR2G Active
Pb-free
Halide free
NCL30083, all faults are auto-recoverable on SOIC-8 SOIC-8 751-07 3 260 Tape and Reel 2500 $0.3733
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : 8 to 12

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
VI Min (V)
VI Max (V)
VO Max (V)
IO Max (mA)
fSW Typ (kHz)
Package Type
NCL30083BDR2G  
 $0.3733 
Pb
H
 Active   
Flyback
9.4
26
300
3000
Up to 150
SOIC-8
外形
751-07    846A-02   
封装
NCL30083: 步进调光准谐振初级侧电流模式控制器,用于温度折回的 LED 照明
NCL30083: 步进调光准谐振初级侧电流模式控制器,用于温度折回的 LED 照明
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LED Lighting Solutions with NCL30083BB1GEVB Evaluation Board
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