DESCRIPTION
MT7952 is a primary-side controller for AC-DC LED lighting. It operates in constant current control mode and works in discontinuous conduction mode, suitable for flyback converter under universal input, the output power of the system should less than 5W.
FEATURES
• Build in 600V power MOSFET
• 85V to 265V AC line voltage range
• Primary side sensing and regulation, no
need of secondary side feedback
• High precision constant LED current (+/-3%)
• Cycle-by-cycle peak current control
• LED short-circuit/open circuit protection
• VDD under voltage lock-out protection
• VDD over voltage protection
• Over temperature protection
• Suitable for less than 5W applications
• Built-in leading edge blanking (LEB)
• Extremely minimum external components
• Available in SOP8 package
APPLICATION
• GU10/E27 LED lamp, spot light
• 1-5W LED lighting application