LED电源芯片AP3772，丝印代码GKA，GKB，GKC

led电源芯片，ap3772

features
• primary side control for tight constant current
and constant voltage
• 30mw no-load input power
• excellent dynamic performance with ap4340
• bipolar junction transistor (bjt) driving
• proprietary adjustable line compensation for
cc variation
• constant and built-in 6%, 3% and no cable
voltage drop compensation
• enhanced audio noise suppression
• open circuit protection
• over voltage protection
• short circuit protection
• sot-23-6 package

applications
• adapters/chargers for cell/cordless phones,
pdas, mp3 and other portable devices
• led driver
• standby and auxiliary power supplies