AC-DC LED Drivers | NCL30105

灵活可调光的降压LED驱动器控制器

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NCL30105是一款峰值电流控制固定关断时间降压控制器，用于LED驱动器应用。这器件经过了优化，采用深度连续导电模式工作，省去输出电解电容。这控制器包含可调节关断时间产生器，能以达500 kHz开关频率驱动MOSFET。专用调光引脚使这器件能够使用PWM逻辑信号来直接对LED调光。软启动引脚产生启动序列，缓慢加大峰值电流，能够调节峰值电流设定点，用于模拟调光控制。这器件还具有强固的保护特性，能够检测开关过流故障及检测最大导通时间事件。

  • LED Backlight Driver for large LCD panels
  • LED Lightbar Driver
  • LED Street Lighting
  • LED Large Area Lights
  • Architectural Lighting
  • Constant off time current mode control
  • Adjustable off time (0.5 to 10 µs)
  • Internal leading edge blanking
  • ± 5% current sense accuracy
  • Internal Startup Delay
  • Soft Start
  • PWM or Analog Dimming Control
  • Maximum on time protection
  • Overcurrent protection
  • Thermal Shutdown

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NCL30105DR2G

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SOIC-8

751-07

1

260

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2500

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