UCC3305N

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The UCC3305N is a high-performance, adaptive digital feedback lighting controller designed to provide precise current control and luminaire dimming control. It can deliver precise current regulation and the best possible light output by adjusting the output voltage to precise levels, providing efficient and reliable dimming control. The UCC3305N is ideal for linear LED applications that require high performance, reliable power control.

The UCC3305N is designed to withstand a wide temperature range and to be tolerant to temperature induced power cycle abnormalities. It employs an advanced, low noise, analog-to-digital converter that measures and compensates for the line regulation changes due to ambient temperature changes. The controller offers a high degree of user flexibility by allowing the user to tailor the profile of the control loop response based on their application needs.

The UCC3305N provides best-in-class dimming performance, with dimming linearity ofbetter than 0.5% from 1.0% to 100% and a dimming step resolution of up to 32 steps to enable accurate and low-noise dimming of LEDs. Additionally, the controller offers active pre-charge to reduce leakage current and provide maximum protection for the LEDs. The controller also regulates the current to minimize the power dissipation and minimize the thermal stress on the LEDs.

The UCC3305N also offers several protections, including over-voltage, over-current, and overload protection. The overload protection feature senses overload conditions present on the output and shuts down the output voltage to protect the application and the LEDs. The over-voltage protection limits the output voltage to prevent damage to the LEDs and the driver. The over-current protection monitors the output current and shuts down the output voltage if the current exceeds the set protection limit.

The UCC3305N supports a unique thermal management algorithm for linear LED lighting. This feature allows the controller to detect the temperature of the LEDs, adjust the current accordingly, and maximize the lifetime of the LEDs. Moreover, the controller is capable of supporting multiple dimming protocols, including analog dimming, PWM dimming, or digital dimming.

The UCC3305N is an exceptionally versatile controller that can enable reliable, efficient and safe power control for LED lighting in a wide range of applications for industrial, automotive, and home lighting applications. The large range of features and programmable options makes the UCC3305N the ideal choice for a variety of linear LED lighting applications.

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