EVALUATION BOARDS & DEVELOPMENT TOOLS

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LM3445TRIACEVAL
$80.00
Not Available
 110V Triac Dimmable Off-line LED Driver Evaluation Board
This Product is Lead-Free
Evaluation Board License Agreement

110V Triac Dimmable Off-line LED Driver Evaluation Board

LM3445 Product Folder

This board is no longer for sale. Please order the LM3445-120VSMEV board for 120V applications.

The LM3445-120VSMEV board has a smaller footprint, is more efficient and has additional circuitry to adapt to a wider range of external dimming circuits.

Description:

The LM3445 110V Off-Line TRIAC Dimmer LED board converts 90VAC to 135VAC input, and drives seven, or eight series connected LEDs at 400 mA average current. The LM3445 switching frequency is set at a nominal 225 kHz. This is a four-layer board using the bottom and top layer for component placement. The demonstration board can be modified to adjust the LED forward current, the number of series connected LEDs and switching frequency.

Contents:

Application Notes:
  • AN-1935 - Application Note 1935 LM3445 Off-Line TRIAC Dimmer LED Driver Demo Board
  • AN-1978 - Application Note 1978 LM3445 120VAC Small Evaluation Board
  • AN-1995 - Application Note 1995 LM3445 208-277V AC Non-Isolated Evaluation PCB

National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C2) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/quality/green. Lead free products are RoHS compliant.

Lead Free product status is available through the search tool located here