AC-DC LED Drivers | NCL30105

灵活可调光的降压LED驱动器控制器

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概览

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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Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

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11

22

150

1200

100 - 400

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可靠性数据

Die Related Summary Data

Device: NCL30105DR2G

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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