Thermal Management Handbook (PDF) Rev Up Your Fan-Speed Control Designs (PDF) Fan Speed Control Is Cool! (PDF) Getting Started with the MAX6651 Fan Controller (PDF) Fan Control Advances: Consider Fan-Speed Regulation (PDF) Circuit Converts PWM to Amplified and Buffered Linear Signal (PDF) Understanding Multidrop Address Assignments for Thermal Sensors (PDF) Using the MAX6650 and MAX6651 Fan Speed Regulators with 24V and 48V Fans (PDF) Speed Control for Isolated -48V Fans (PDF)