LC5546AD - SANKEN

LC5546AD LED Driver IC

The LC5546AD and LC5546LD are isolated LED drivers in which a power MOSFET and a control IC are highly integrated. The IC provides the systems that can comply with the harmonics standard (IEC61000-3-2 Class C) in all conditions, including a light load condition. These systems, moreover, can be achieved without an input electrolytic capacitor. The IC employs .

Features

the IC can provide and more cost-effective power supply systems with fewer external components. Features
● Built-in On-time Control Circuit (High Power Factor Achieved by Average Current Control)
● Built-in Startup Circuit (Reduced Numnber of External Components)
● Soft Start Function (Startup Stress Reduction for Power MOSFET and Secondary Rectifier Diode)
● Bias Assist Function (Improved Startup Performance, VCC Voltage Drop Suppresion in Operation, Reduced Capacitance of VCC Pin Capacitor)
● Leading Edge Blanking Function
● Built-in Maximum On-time Limitation Function
● Protections Include.