Linear LED Drivers | FAN5346

LED 驱动器，串行升压，带 PWM 调光接口

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FAN5346 是一款异步恒定电流 LED 驱动器，驱动串联的 LED，确保所有 LED 亮度相同。FAN5346S20X 的输出电压为 20 V，并且可以驱动最多 5 个串联的 LED。FAN5346S30X 的输出电压为 30 V，并且可以驱动最多 8 个串联的 LED。1.2MHz 的固定开关频率针对小尺寸应用进行了优化，允许使用较小的电感器和电容器。FAN5346 采用 PWM 调光控制接口来设置 LED 的亮度。将 5kHz 至 100kHz 的 PWM 信号应用到 EN 引脚上。为了实现安全性，该器件具有集成过电压、过电流、短路检测和高温关断保护。另外，如果电池电压过低，则会触发输入欠压锁定保护。

  • • 异步升压转换器• 驱动串联LED：
  • FAN5346S20X: 20V输出
  • FAN5346S30X: 30V输出 • 2.5V至5.5V的输入电压范围• 用于LED亮度控制的PWM照明• 5kHz至100kHz的PWM照明频率范围• 1.2MHz的固定开关频率• 软启动功能• 输入欠压闭锁(UVLO)• 输出过压保护(OVP)• 短路检测• 热关断(TSD)保护• 6 引脚 SSOT23 小外形封装

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FAN5346S20X

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Obsolete

CAD Model

Pb

A

H

P

TSOT-23-6

419BL

1

260

REEL

3000

N

5.5

25

5

1

Price N/A

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FAN5346S30X

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Obsolete

CAD Model

Pb

A

H

P

TSOT-23-6

419BL

1

260

REEL

3000

N

5.5

25

8

1

Price N/A

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