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Texas Instruments LM3445 | Demoboard PMP4327A
Non-isolated Dimmable LED Driver with improved line regulation
Overview
| Topology | Buck Converter |
| Input voltage | 90-132 V |
| Output 1 | 12.4 V / 0.31 A |
| IC revision | A |
Description
This reference design demonstrates a high efficiency non-isolated dimmable LED driver solution using LM3445. With additional feed-forward circuit, improved line regulation <+/-2% performance is achieved. The input range is 90~132Vac and output is 40V310mA.