All ProductsPanasonicSemiconductorsIntegrated Circuits (ics)Voltage Regulators - Dc Dc Switching Controllers PANASONIC SemiconductorsIntegrated Circuits (ics)Voltage Regulators - Dc Dc Switching Controllers AN33012UA-VB BUCK REGULATOR POSITIVE OUTPUT STEP-DOWN DC-DC CONTROLLER IC 24-SSOP MFR. Name: Panasonic AN33013UA-VB BUCK REGULATOR POSITIVE OUTPUT STEP-DOWN DC-DC CONTROLLER IC 24-SSOP MFR. Name: Panasonic