LED 驱动器,用于电视背光的可调光准谐振初级侧电流模式控制器

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NCP1370 是一款 PWM 电流模式控制器,用于隔离反激和非隔离恒流拓扑结构。该控制器以准谐振模式运行,可提供高能效。由于采用新型控制方法,该器件能够精确调节初级侧的恒定 LED 电流。因此无需辅助侧反馈电路、偏置和光耦合器。该器件与极少数量的外部部件进行高度集成。内置了一组强大的安全保护功能,简化了设计。该器件支持模拟/数字调光,两种模式可以组合使用以提高调光精度。NCP1370 具有可编程的峰值电流限制,可在各种应用中优化设计兼容性。该控制器具有待机模式,可降低电流消耗。

  • LED TV's Backlight Controller

  • LED TV's
  • LED Power supply
  • LED Light Engines

  • Accurate Primary Side Sensing
  • Quasi−resonant Peak Current−mode Control Operation
  • Line Feed−forward
  • Programmable Cycle−by−Cycle Peak Current Limit
  • Analog and/or PWM dimming
  • Secondary Diode Short Protection
  • VCC Undervoltage and overvoltage protection
  • Open and Shorted Output LED Protection
  • Brown−out

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Pb

A

H

P

SOIC-8

3

260

REEL

2500

N

Flyback

9.4

26

200

3000

Up to 150

Price N/A

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NCP1370BDR2G

Active

CAD Model

Pb

A

H

P

SOIC-8

3

260

REEL

2500

N

Flyback

9.4

26

200

3000

Up to 150

$0.3867

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