AiT Semiconductor Inc. www.ait-ic.com A7531 DC-DC.
PT7A7531 - (PT7A7511 - PT7A7535) uP Supervisor Circuits
KA7531 - BALLAST CONTROLLER
KA75310M - Voltage Detector
KA75310Z - Voltage Detector
A7531 - 350KHz PFM STEP-UP DC-DC CONVERTER
KA75310 - VOLTAGE DETECTOR