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element14 has a new batch of 10 National Semiconductor LM3409HVEVAL-LED Driver Eval Kits. The LM3409/09HV is a showcase for National’s P-channel MosFET (PFET) controllers for step-down (buck) current regulators. They offer wide input voltage range, high-side differential current sense with low adjustable threshold voltage, fast output enable/disable function and a thermally enhanced eMSOP-10 package. These features combine to make the LM3409/09HV ideal for use as constant current sources for driving LEDs where forward currents up to 5A are easily achievable. Analog and PWM dimming are easy to implement and result in a highly linear dimming range with excellent achievable contrast ratios. Programmable UVLO, low-power shutdown, and thermal shutdown complete the feature set.
Hi! I received the kit the last Week. Thanks
I'm going to start working...
I wanted to let you know the winners for this RoadTest--
You should start receiving your LM LED Driver Kits over the next week or so. I hope you enjoy working with them, and look forward to reading your reviews on element14!
i am already working with the Scrolling Message Display....
i also wants to work on led matrix with this board...
"testing" same here and i have some led projects that will fit in
looking quite good....just want to test it ........