Description
Package
The LC5581AS and LC5581LS are quasi-resonant LED driver ICs.The ICs can also operate in PWM mode.The ICs support isolated and non-isolated buck circuits and buck-boost converters.The ICs provide 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 by 1 converter system that requires no input electrolytic capacitor.The ICs employ the average current and quasi-reson
Features
- the ICs can provide more costeffective power supply systems with fewer external components. Features.
- 800 V High Voltage Built-in Startup Circuit.
- Analog Dimming Function.
- High Power Factor by Average Current Control.
- Soft Start Function.
- Shorter Time from Startup to LED Lighting.
- COMP Pin Fast Charging Function.
- Bias Assist Function that Includes Two Types that are Activated at Different Voltage Levels (Smaller Capacitance of the VCC Pin).
- Standb.