AC-DC LED Drivers | FLS3217

单级 PFC 初级侧调节离线 LED 驱动器，带集成功率 MOSFET

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此带功率 MOSFET 的高度集成 PWM 控制器 FLS3217 具有多种功能，可提高低功耗反激转换器的性能。该专利拓扑结构简化了 LED 照明应用的电路设计。LED 照明板采用单级拓扑结构和初级侧调节，以极少数外部组件和最低的成本即可实施；不需要输入降压电容器或反馈电路。为实现良好的功率因数和低 THD，可通过将外部电容器连接至 COMI 来利用恒定导通时间控制。精准恒定电流控制器根据输入电压和输出电压的变化调节精确的输出电流。运行频率与输出电压成比例变化，可保证 DCM 运行，且能效更高，设计更简单。FLS3217 提供开路 LED、短路 LED和超温保护等保护功能。电流限制电平会自动降低，以在短路 LED 状况下尽可能减少输出电流，保护外部组件。

  • 照明
  • 无输入降压电容和反馈电路的高性价比解决方案
  • 功率因数校正(PFC)
  • 集成功率MOSFET
  • 精确恒定电流(CC)控制、独立在线电压、输出电压及磁化电导变化
  • 提高效率的线性频率控制
  • 开路/短路LED保护
  • 逐周期限流
  • 过温保护（带自动重启）
  • 低启动电流： 20μA
  • 低工作电流： 5mA
  • VDD过压保护(OVP)
  • VDD欠压闭锁(UVLO)
  • 应用电压范围： 80VAC ~ 308VAC
  • Retrofit E17/E26/E27和PAR灯
  • 白炽灯、CFL和线性灯的替换

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FLS3217M

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

SOIC-7

751ED

3

260

REEL

2500

N

PSR Flyback

17.5

700

700 VBVDS

13 Ω - RDSON

65

Price N/A

More Details

FLS3217N

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

PDIP-7

626A-01

NA

0

TUBE

3000

N

PSR Flyback

17.5

700

700 VBVDS

8.8 Ω - RDSON

65

Price N/A

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