结合功率因数校正和准谐振反激的AC-DC控制器,优化用于LED照明

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这PWM控制器集成功率因数校正和必要的准谐振反激控制器,成就紧凑和极高能效的AC-DC LED驱动器,用于高性能、低纹波的LED照明应用。PFC段利用专有乘法器架构,在采用临界导电模式工作时提供低谐波失真和接近1的功率因数。准谐振电流模式反激段包含专有谷底锁定电路,确保稳定的谷底开关工作,及在切换至频率反走模式之前在低至第4谷底工作,在超过第4谷底时采用最小频率钳位以消除噪声。跳周期模式提供极佳轻载能效,待机能耗极低,非常适合智能照明应用。

  • Ac-Dc Low Ripple LED Drivers
  • LED Electronic Control Gear
  • LED Driver Power Supplies
  • Power Supplies for LED Signage
  • LED Luminaires
  • Medical and Industrial Power Supplies < 250 W
  • <250 W Open Frame Power Supplies
  • Adapters
  • Proprietary Multiplier Based CrM PFC Stage
  • Bi-Level Line Dependent PFC Boost Voltage
  • Boost Diode Short-Circuit Protection
  • Feedforward Control of PFC loop
  • Adjustable PFC Disable Threshold
  • 700 V Rated High Voltage Startup Circuit
  • Quasi-Resonant Current Mode Flyback Controller
  • Valley Lockout and 4 valley operation
  • Frequency foldback with minum frequency clamp
  • Timer-based overload protection
  • Winding and Output Diode Short−Circuit Protection
  • 4 ms soft start timer

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NCL30030B1DR2G

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Pb

A

H

P

SOIC-16 NB

1

260

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2500

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4000

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NCL30030B2DR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-16 NB

1

260

REEL

2500

N

Step-Up

40

700

210

4000

Up to 150

Price N/A

More Details

NCL30030B3DR2G

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CAD Model

Pb

A

H

P

SOIC-16 NB

1

260

REEL

2500

Y

Step-Up

40

700

210

4000

Up to 150

$0.9491

More Details

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