• Linear Dimming Curve
• Dimming Depth Lower than 1%
• Valley Turn-on to Achieve Low Switching Losses
• 250mA Sourcing Current and 600mA Sinking Current Drive Capability
• Low Start up Current: 40μA Typical
• Reliable Short LED and Open LED Protection
• Reliable Short ISEN Resistor Protection
• Compact Package: SO8

The SY5881D is a DC/DC Buck controller targeting at LED lighting applications with analog dimming. It adopts the proprietary control architecture to achieve an accurate regulation of LED current and Quasi-Resonant valley turn-on high efficiency operation. The SY5881D supports analog dimming function and it has a linear dimming curve. It integrates open/short LED protection.