AC-DC LED Drivers | FL77905

模拟/PWM/切相可调光紧凑型 LED 直连交流驱动器

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概览

FL77905 是一款直连交流线路 LED 驱动器，外部 RC 无源部件数量减到最少。在正常配置中，一个电阻用于调节 LED 功率，一个电容器用于为内部偏置分路稳压器提供稳定电压。 FL77905 实现了高能效，具有较高功率因数和低 THD，因此适用于高能效 LED 照明系统。FL77905 还可用于可变电阻器调光开关，适用于台灯或室内灯。FL77905 具有专门的 DIM 引脚，可用于模拟或数字 PWM 调光。

  • LED 照明 — 中功率 — 模拟/PWM 调光
  • LED 照明 — 中功率 — 相位切割调光
  • LED 照明 — 低功率 — 相位切割调光
  • The simplest Direct AC LED Driver with Only Two External RC Passive Components
  • Wide AC Input Range: 90~305 VAC
  • Analog/PWM Dimming
  • High Power Factor (above 0.98 in normal configuration) Low Harmonic Content (THD under 20% in normal configuration)
  • Low Flicker Index by Self Valley Fill with No Degradation of PF and THD
  • Adjustable LED Power with an External Current Sense Resistor
  • Rheostat Dimmable Flexible LED Forward Voltage Configuration
  • Power Scalability with Multiple Driver ICs
  • Over-Temperature Protection (OTP)

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Reference Price

FL77905MX

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Obsolete

CAD Model

Pb

A

H

P

SOIC8 N EP

751EJ

3

260

REEL

2500

N

Direct AC Driver

18

500

500

47/86/96 - ILED1/2/3

Linear

Price N/A

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