IS31BL3506A-DLS2-EB

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The IS31BL3506A-DLS2-EB is an evaluation board that falls under the category of LED Drivers. It is used for driving up to nine independently controllable high efficiency white or RGB LEDs with adjustable current, by using a DC/DC Buck Converter. It is a high speed boost controller with a maximum switching frequency of 1.2MHz.

The IS31BL3506A-DLS2-EB can be used for illuminating critical and general lighting applications, as well as for display backlighting and signage systems. This driver offers high Volt-Amp input/output compatibility and low cost, but with a high efficiency. Furthermore, it has a low start-up current and an adjustable PWM delay time of up to 100ms.

The IS31BL3506A-DLS2-EB comes with a PC-controlled graphical user interface which allows users to efficiently test and evaluate LED drivers. The application also supports various settings and amperage control, which can be controlled by a computer with a simple user interface. It has comprehensive programming functions, including built-in current limiting, over-voltage, over-temperature protection, and dimming control.

This board is based on the IS31BL3506A high-speed boost controller, which drives up to nine independent channels at an efficiency of up to 95%. It features several safety features that protect the LED driver from over-voltage, over-temperature and short circuit. The IS31BL3506A also features soft start control, so that the LEDs start soft and slowly increase to their highest brightness. This minimizes stress and results in better lifetimes.

The working principle of IS31BL3506A-DLS2-EB can be divided into three parts: power supply, charge pump and constant current control. The device first steps down the input voltage and uses a charge pump to generate a higher output voltage. With the help of the charge pump, the output voltage will be regulated according to the current settings. Finally, it uses feedback to adjust the output current until it reaches the desired value.

In conclusion, the IS31BL3506A-DLS2-EB is an evaluation board classified under LED Drivers, suitable for high-efficiency white or RGB LED lighting applications such as display backlighting and signage systems. It is based on the high-speed boost controller IS31BL3506A, which has comprehensive programming functions and extensive safety features. The device works in three parts; the power supply, charge pump and constant current control.

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