TC647
Microchip
PWM Fan Speed ControllerM
Features
• Temperature Proportional Fan Speed for Acoustic Control and Longer Fan Life • Efficient PWM Fan Drive • 3.0V to 5.5V Supply Range: - Fan Voltage Independent of TC647 Supply Voltage - Supports any Fan Voltage • FanSense™ Technology Fault
TC647B
Microchip
PWM Fan Speed ControllersM TC642B/TC647B
PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense™ Technology for Fault Detection
Features
• Temperature-Proportional Fan Speed for Acoustic Noise Reduction and Longer Fan Life
• Efficient PWM Fan Drive • 3.0V