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iW3623
Flickerless™, Non-Dimmable 45W Solid State Lighting LED Driver with High PF (> 0.95), Low THD (<10%) and Low Output Ripple (<5%) (Two-Stage)
用于45W商业SSL照明的非可调光LED驱动器
The iW3623 is a high performance, two-stage, non-dimmable 45W SSL LED driver that integrates boost and flyback converters into a single IC to reduce BOM cost and simplify design versus conventional two-stage driver approaches. Compliant to the IEC61000-3-2 standard, the iW3623 offers Power Factor (PF) >0.95 from a universal input voltage of 100VAC to 277VAC, with total harmonic distortion (THD) <10% and low output ripple <5% over the entire range.
IW3623采用对话框的专有PrimAccurate™初级侧控制技术，无需辅助侧调节器和光学反馈隔离器。它还允许FET用较低的成本Bjts替换，并使用准谐振模式切换，用于升压和反激级和动态基极电流，以优化转换效率并最小化EMI。
Protection features include an on-board, external NTC-based temperature protection circuit that reduces the output drive to the LEDs to protect the circuit from overheating while maintaining light output.
特征
高PF（> 0.95）和低THD（<10％）
Low Output Ripple Current (<5%)
PrimAccurate™ - Isolated Off-Line AC/DC Controller
45W LED Driver for Non-Dimmable Commercial Solid-State Lighting Applications
Flickerless™ Technology
- Removes Virtually All LED Flicker
最佳效率的共振模式
Fully Protected
- NTC-based Temperature Derating Circuit
- 过电压/过温保护
- Output Over-Voltage, Over-Current and Short Circuit
- 打开LED故障检测
- 感测电阻短路保护
- Single-Fault Protection
亚博国际官网平台网址
不可缩小的LED灯和灯具
优化高达45W的输出功率
Block Diagrams
典型的应用程序图亚博国际官网平台网址
