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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.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT,10% (A) | RDC max. (mΩ) | fres (MHz) | Version | Pins (pcs) | Pitch (mm) | Rows | H (mm) | Gender | Type | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447720392 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 3900 | 0.22 | 0.27 | 8050 | 0.88 | Standard | – | – | – | 9.5 | – | – | – | ||
 | 61300111121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | – | 3 | – | – | – | – | 1 | 2.54 | Single | – | Pin Header | Straight | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447720392 | SPEC | |
| 61300111121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT,10% (A) | RDC max. (mΩ) | fres (MHz) | Version | Pins (pcs) | Pitch (mm) | Rows | H (mm) | Gender | Type | Packaging | Samples |
|---|
