Load Drivers & Relay Drivers | FAN8831

带步升 DC-DC 转换器的正弦压电驱动器

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概览

FAN8831 是一款由步升 DC-DC 转换器组成的单芯片压电驱动器，集成了 36 V 升压开关和全桥输出级。该器件能够基于一节 3 V 锂电池在 120 V 下进行压电双向峰值驱动。该步升 DC-DC 转换器在临界导通模式 (CRM) 下运行，经过了优化，可在耦合电感配置中运行，提供 60 V 以上的输出电压。过电压保护、过电流保护和高温关断等功能全部提供。内部继电器用于在步升 DC-DC 转换器输出电压达到带有迟滞的正确水平时启用该全桥门极驱动器。升压使用外部电阻进行设置，步升电流限值可通过 OCP 引脚处的外部电阻进行编程。输出 H 桥具有四个集成的 75 V P 和 N 沟道，用于压电驱动器的正弦波驱动。

  • 消费电子
  • 消费型设备
  • LCD 电视
  • 升压DC-DC转换器
  • 最高可达 36 V 的集成式升压功率开关
  • 宽工作电压范围：2.7 至 5.5 V
  • 可调节升压输出电压
  • 可调节升压限流
  • 零电流检测器 (ZCD)
  • 内部软启动
  • 内置保护电路
  • 过压保护(OVP)
  • 热关断（TSD）
  • 压电致动器驱动器
  • 集成式全桥开关 (VDS=75 V)
  • 数字实现的正弦调制器
  • 封装信息
  • 小型 4.0 mm × 4.0 mm MLP

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FAN8831MPX

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Pb

A

H

P

WQFN-24

510BE

1

260

REEL

3000

N

1

3.3

5.5

75

-

-

150

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