LED 驱动器,1 A 恒定电流,带 PWM

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该 CAT4101 是一个恒定电流接收器,用于驱动最高 1 A 的串联的高亮度 LED,全负载时电压降极低,为 0.5 V。它无需电感器,运行噪声低,最大程度减少了部件数量。LED 电流通过联接 RSET 引脚的外部电阻器进行设置。该 LED 引脚可兼容最高 25 V 的高电压,可驱动串联的多个 LED。该器件可确保 LED 中准确和调节的电流,而无论电源和 LED 正向电压波动如何。PWM/EN 输入使用外部脉宽调制 (PWM) 信号来实现器件关机和 LED 亮度调节。该驱动器具有高温关闭保护功能,每当裸片温度超过 150C 时即激活。该器件使用大功率、5 引线 TO-263 封装,提供了卓越的散热特性。

  • High Power LED up to 1A
  • Architectural and General Lighting
  • Automotive Lighting
  • Accurate 1 A Current Sink
  • Up to 25 V Operation on LED Pin
  • Low Dropout 500 mV at 1 A
  • LED Current Set by External Resistor
  • High Resolution PWM Dimming via EN/PWM
  • 'Zero' current Shutdown mode
  • Thermal Shutdown Protection
  • TO263 (D2PAK) 5-lead Package
  • This Device is Pb-Free, Halogen Free/BFR Free and is RoHS Compliant

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CAT4101TV-T75

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Obsolete

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Pb

A

H

P

TO-263-5

3

260

REEL

750

N

5.5

1000

8

1

Price N/A

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