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电路产生模拟的风扇转速控制

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摘要:线性电路测量温度,并控制产生可变电源电压为风扇冷却风扇的速度。
Maxim > App Notes > AUTOMOTIVE TEMPERATURE SENSORS and THERMAL MANAGEMENT

Keywords: analog, fan speed control, temperature sensor, fan controller, thermal management Jun 26, 2002

APPLICATION NOTE 1125
Circuit Generates Analog Fan-Speed Control

Abstract: A linear circuit measures temperature and controls the speed of a cooling fan by generating a variable
supply voltage for the fan.


Fan noise is becoming a larger issue as more electronic equipment enters the office and the home. A variable
speed fan permits slower, and quieter, fan speed when temperature conditions allow.

Fan-control circuits range from simple switches that boost the fan speed at a certain temperature, to digitally
controlled fans with continuously-variable speed. High-speed/low-speed switches are inexpen……
标签:Maximanalogfanspeedcontroltemperaturesensorfancontrollerthermalmanagement
电路产生模拟的风扇转速控制
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