KA7522

KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard contr...