ML4821CP-FSC IC-4821 P.FACTOR CONTROLLER DIP18 FAIRCHILD ML4821CP-FSC is a high-performance power factor correction controller that operates in Average Current mode with a supply voltage range of 12V to 16V. Supports switching frequencies up to 1MHz and has a start-up current of 600uA. Designed to function reliably within temperatures of 0°C~+70°C. Manufactured by ONS (FAIRCHILD) and compliant with ROHS standards for safety and efficiency. Packaged as TUBE for secure and easy integration.