Founded in 1900, RAFI today develops and produces electromechanical components and systems for human-machine interaction. RAFI’s comprehensive product portfolio features a full range of HMI components, including pushbuttons, tactile switches, emergency stop buttons, key switches, selector switches, signal indicators, membrane keyboards, capacitive touch systems, and complete control and operati
The FAN7530 is an active power factor correction (PFC)controller for the boost PFC applications that operates incritical conduction mode (CRM). It uses the voltagemode PWM that compares an internal ramp signal withthe error amplifier out