DC749A

Evaluation Boards - LED Drivers

DC749A evaluation board is a demonstration platform de- signed to show the suitability of a range of LED driving applications. By presenting live LED demonstrations of a 6W driver housed in a range of packages and with in- cluded additional features to demonstrate design flexibil- ity, this evaluation board is the perfect platform to quickly and efficiently validate certain LED driving and lighting applications.

Features

• Two-Axis Adjustable Light Intensity
• Integrated Supplies
• 6W LED Driver
• Low-Noise Circuitry
• Fully Programmable Interfaces

Applications

DC749A LED driver evaluation board was developed to show the capability and suitability of LED driver solutions. Some of the applications that this board is suitable for include but are not limited to:

• General lighting solutions
• Industrial lighting applications
• Automotive applications
• Medical applications
• Retail lighting solutions

Working Principle

DC749A evaluation board is a demonstration platform which is designed according to the Boost DC/DC topol- ogy, in which the inductor is connected to the output side and the voltage across the inductor increases. The electric current increases linearly when the inductor is con- nected to the output terminal and the current decreases exponentially when the inductor is disconnected from the output terminal. The switching frequency of the Boost inductor is adjustable from 8kHz to 1MHz and can be minilized up to 0mA. The hysteretic current control is used to keep the LED current steady.

Advantages

• It can provide higher efficiency and lower cost of LED driver solution.
• The switching frequency can be adjusted and mini- mized to 0mA, which offers a wide range of flexibility to customers.
• The hysteretic current control provides improved stability across the full range of the LED driver.
• DC749A evaluation board also offers protection against short circuit, overvoltage and over current.

Conclusion

The DC749A evaluation board provides a quick and cost effective platform to evaluate a wide variety of LED driving applications. In addition to its flexibility and robust design, the DC749A also provides a wide range of features to make this evaluation board the perfect fit for a large variety of applications.