AC-DC LED Drivers | FL7701

LED 驱动器，非隔离 PFC 降压

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FL7701 LED 灯驱动器是一款带有 PFC 功能的简单集成电路。该集成电路特殊的“采用数字”技术可以自动检测输入电压情况，并发出内部参考信号，用于实现高功率因数。对该集成电路应用交流输入时，PFC 功能自动启用。对该集成电路应用直流输入时，PFC 功能自动禁用。FL7701 不需要降压电容器（电解电容器）来实现电源轨稳定性，这会明显影响 LED 灯系统的使用寿命。

  • 照明
  • 数字实现的有源PFC功能（高PF无需额外的电路）
  • 内置HV电源电路： 自偏置
  • 支持自动重启模式的AOCP功能
  • 内置过温保护功能
  • 逐周期限流
  • 电流传感引脚开路保护
  • 低工作电流： 0.85mA（典型值）
  • 带有5V滞后的欠压闭锁保护
  • 可编程振荡频率
  • 可编程LED电流
  • 模拟调光功能
  • 软启动功能
  • 精确的内部参考： ±3%
  • 改装E11/E14/E17/E26/E27、MR和PAR灯
  • 使用SMPS更换白炽灯、CFL灯和线灯
  • 装饰、内部照明灯和仪表板照明

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FL7701MX

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CAD Model

Pb

A

H

P

SOIC-8

751EB

1

260

REEL

2500

Y

Non Isolation PFC Buck

17

500

17 VGATE

250/250 - Source/Sink

Variable

$0.6174

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