SSL21081AT
Description
The SSL21081AT is a high-voltage Integrated Circuit (IC) for driving LED lamps in general mains non-dimmable lighting applications. The main benefits are: Small Printed-Circuit Board (PCB) footprint; compact solution High efficiency (up to 95 %) Ease of integration Low electronic Bill Of Material (BOM) The IC incorporates a 300 V MOSFET.
Key Features
- Features and benefits
- LED driver ICs for driving LED strings from a rectified mains supply
- High-efficiency switch mode buck driver product family:; drivers with integrated 300 V (DC) power switches
- Controller with power-efficient boundary conduction mode of operation with:; No reverse recovery losses in freewheel diode; Zero Current Switching (ZCS) for turn-on of switch; Zero voltage or valley switching for turn-on of switch; Minimal required inductance value and size
- Direct PWM current regulation possible
- Fast transient response through cycle-by-cycle current control:; Negligible AC mains ripple at LED current and minimal total capacitor value; No over or undershoots in the LED current NXP Semiconductors
