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DC1319B-B - LT3756EMSE-1 Demo Board | Boost LED Driver Controller, 8V ≤ VIN ≤ 80V, VLED up to 80V @ 0.5A

Demonstration circuit 1319B is a high voltage and high current LED driver controller feature the LT3756-1 (DC1319B-B) or the LT3756-2 (DC1319B-A). The device's VIN pin input voltage and LED output voltage can be as high as 100V; however, the demo board's open-LED overvoltage protection limits the input voltage to 80V and limits the output to approximately 92V if the LED string is opened.The demonstration circuit is assembled as a boost topology from 8V to 80V input and up to 80V LED output at 0.5A and features an open-LED status pin (DC1319B-A) or a sync input pin (DC1319B-B). DC1319B also features PWM dimming, analog dimming, shutdown, and open-LED overvoltage protection.

DC1319B-A - Schematic

 


Software

LTspice

LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice

To launch a ready to run LTspice demonstration circuit for this part:

  • Step 1: If you have not installed LTspice on this computer, download and install LTspice
  • Step 2: Once LTspice is installed, click on the link(s) below to launch the simulation
  • Step 3: If LTspice does not automatically open after clicking the link above, you can instead run the simulation by right clicking on the link and selecting "Save Target As." After saving the file to your computer, start LTspice and open the demonstration circuit by selecting 'Open' from the 'File' menu

To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.