AC-DC LED Drivers | NCL30030
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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概览
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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SOIC-16 NB
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260
REEL
2500
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Flyback
Step-Up
40
700
210
4000
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已停产
Pb
A
H
P
SOIC-16 NB
1
260
REEL
2500
No
Flyback
Step-Up
40
700
210
4000
Up to 150
Price N/A
More Details
Last Shipments
Pb
A
H
P
SOIC-16 NB
1
260
REEL
2500
No
Flyback
Step-Up
40
700
210
4000
Up to 150
Price N/A
More Details
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