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首页产品索引CL8800

CL8800

购买收藏
SEQUENTIAL LINEAR LED DRIVER

 

产品信息

The CL8800 is designed to drive a long string of inexpensive, low current LEDs directly from the AC mains. A basic driver circuit consists of the CL8800, six resistors, and a bridge rectifier. Two to four additional components are optional for various levels of transient protection. No capacitors, EMI filters, or power factor correction circuits are needed.A string of series/parallel LEDs is tapped at six locations. Six linear current regulators sink current at each tap and are sequentially turned on and off, tracking the input sine wave voltage. Voltage across each regulator is minimized when conducting, providing high efficiency. Output current at each tap is individually resistor-adjustable. Cross-regulation, as the CL8800 switches from one regulator to another, provides smooth transitions. The current waveform can be tailored to optimize for input voltage range, line/load regulation, output power/current, efficiency, power factor, THD, dimmer compatibility, and LED utilization.With the addition of an RC network, the driver is compatible with phase dimming.

  Minimal component count (base config: CL8800 + 6 resistors + diode bridge)

  No magnetics, no capacitors

  Up to 7.5W output (13W w/ heat sink)

  >110Lm/W using efficient LEDs

  85% typical electrical efficiency

  >0.95 power factor

  

  Low conducted EMI w/o filters

  85% LED luminous utilization

  Phase dimmer compatible with an RC network

电路图、引脚图和封装图

在线购买

型号制造商描述购买
CL8800K63-G-M935EDAC345 SERIES (.100" (2.54MM) CONTA 立即购买
CL8800K63-GKnowles贴片电容(MLCC) 1808 1.2nF ±5% 500V C0G(NP0) 立即购买

应用案例更多案例

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