AC-DC LED Drivers | 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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概览

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。

  • Line Powered LED Drivers
  • Integral Driver Electronics
  • Integral LED Bulbs and downlights
  • LED Light Engines
  • Electronic Control Gear for LEDs
  • Primary Side Sensing
  • Wide VCC Range
  • Precise LED Current Regulation of ±1% typical
  • ~ 0.9 power factor with passive valley fill
  • User Programmable Thermal Foldback
  • Open and Shorted Output Protection
  • Secondary Diode Short Protection
  • 5 Step Dimmable to < 5% output current
  • VCC undervoltage and overvoltage protection
  • Latched (A version) and Auto-recoverable (B version) fault handling
  • Wide temperature range of -40 to 125 °C
  • Input Line Voltage Sensing
  • Programmable Soft start

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Reference Price

NCL30083ADMR2G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Flyback

9.4

26

300

3000

Up to 150

Price N/A

More Details

NCL30083BDMR2G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Flyback

9.4

26

300

3000

Up to 150

Price N/A

More Details

NCL30083BDR2G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

3

260

REEL

2500

N

Flyback

9.4

26

300

3000

Up to 150

Price N/A

More Details

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