Datasheet Summary
M 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 to 5.5V Supply Range:
- Fan Voltage Independent of TC642B/TC647B Supply Voltage
- Supports any Fan Voltage
- FanSense™ Fault Detection Circuit Protects
Against Fan Failure and Aids System Testing
- Shutdown Mode for "Green" Systems
- Supports Low Cost NTC/PTC Thermistors
- Over-Temperature Indication (TC642B only)
- Fan Auto-Restart
- Space-Saving 8-Pin MSOP Package
Applications
- Personal puters & Servers
- LCD Projectors
- Data &...