Motor Drivers, Brushless | LB11861MC

单相全波形风扇电机驱动器

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LB11861MC 是一款单相双极驱动电机驱动器，可轻松实施直接 PWM 电机驱动系统，且能效极高。LB11861MC 适用于个人计算机电源系统和 CPU 冷却风扇系统中的风扇电机驱动。

  • PC Power Supply system
  • CPU Cooling Fan System
  • Server
  • PC
  • Single-phase full-wave drive (16V, 1.2A transistors are built in)
  • External PWM control pin incorporated (f=16k to 50kHz)
    External PWM signal DUTY control to enable speed control to stop, medium speed, and full speed
    Slow-Decay regeneration to enable low power consumption and high-efficiency rotation control
  • Soft switching circuit incorporated
    Soft-SW circuit achieving small loss, low noise, and low vibration at a time of phase shift
  • Built-in regenerative diode (Di); only requires a minimal number of external components.
  • Built-in lock protection and automatic recovery circuits
  • FG (speed detection) outputs incorporated
  • Built-in thermal shutdown circuit.

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