TC647B controllers equivalent, pwm fan speed controllers.
* Temperature-Proportional Fan Speed for Acoustic Noise Reduction and Longer Fan Life
* Efficient PWM Fan Drive
* 3.0V to 5.5V Supply Range:
- Fan Voltage Ind.
* Personal Computers & Servers
* LCD Projectors
* Datacom & Telecom Equipment
* Fan Trays
* File Ser.
The TC642B/TC647B devices are new versions of the existing TC642/TC647 fan speed controllers. These devices are switch mode, fan speed controllers that incorporate a new fan auto-restart function. Temperature-proportional speed control is accomplishe.
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