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Overview

The CS1615 and CS1616 are high-performance single stage dimmable offline AC/DC controllers. The CS1615/16 is a cost-effective solution that provides unmatched single and multi-lamp dimmer-compatibility performance for dimmable LED applications. The CS1615 is designed for 120VAC line voltage applications, and the CS1616 is designed for 230VAC line voltage applications.

Across a broad range of dimmers, the CS1615/16 provides smooth flicker free dimming, and consistently dims to nearly zero light output, which closely matches the dimming performance of incandescent light bulbs. Cirrus Logic’s patent pending approach to dimmer compatibility provides full functionality on a wide range of dimmers, including leading-edge, trailing-edge, and digital dimmers.

Features

? Best-in-class Dimmer Compatibility

- Leading-edge (TRIAC) Dimmers

- Trailing-edge Dimmers

- Digital Dimmers (Dimmers with an Integrated Power Supply)

? Flicker-free Dimming

? 0 to 100 Smooth Dimming

? Primary-side Regulation (PSR)

? Active Power Factor Correction (PFC)

- >0.9 Power Factor

? Constant-current Output

- Flyback

- Buck-boost

? Tight LED Current Regulation: Better than ±5

? Low THD: Less Than 20

? Up to 90 Efficiency

? Fast Startup

? IEC61000-3-2 Compliant

? Meets NEMA SSL 6 Dimming Standard

- Closely Matches Incandescent S-curve

? Protection Features

- Output Open Circuit

- Output Short Circuit

- External Overtemperature Using NTC

Applications

? Retro-fit LED Lamps

? External LED Drivers

? LED Luminaries

? Commercial Lighting