Datasheet Texas Instruments LM3549
| Manufacturer | Texas Instruments |
| Series | LM3549 |
High Power Sequential LED Driver
Datasheets
LM3549 High Power Sequential LED Driver datasheet
PDF, 993 Kb, Revision: A, File published: May 3, 2013
Extract from the document
Status
| LM3549SQ/NOPB | LM3549SQE/NOPB | LM3549SQX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes |
Packaging
| LM3549SQ/NOPB | LM3549SQE/NOPB | LM3549SQX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 24 | 24 | 24 |
| Package Type | RTW | RTW | RTW |
| Industry STD Term | WQFN | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N | S-PQFP-N |
| Package QTY | 1000 | 250 | 4500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | L3549SQ | L3549SQ | L3549SQ |
| Width (mm) | 4 | 4 | 4 |
| Length (mm) | 4 | 4 | 4 |
| Thickness (mm) | .75 | .75 | .75 |
| Pitch (mm) | .5 | .5 | .5 |
| Max Height (mm) | .8 | .8 | .8 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LM3549SQ/NOPB | LM3549SQE/NOPB | LM3549SQX/NOPB |
|---|---|---|---|
| Number of Channels | 3 | 3 | 3 |
| Iout(Max), A | 0.720 | 0.720 | 0.720 |
| Iq(Typ), mA | 1.6 | 1.6 | 1.6 |
| LED | 3 | 3 | 3 |
| LED Configuration | Parallel | Parallel | Parallel |
| LED Current Per Channel, mA | 235 | 235 | 235 |
| Operating Temperature Range, C | -30 to 85 | -30 to 85 | -30 to 85 |
| Package Group | WQFN | WQFN | WQFN |
| Package Size: mm2:W x L, PKG | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) |
| Peak Efficiency, % | 95 | 95 | 95 |
| Program Memory | Yes | Yes | Yes |
| Programmable Ramp Control | Yes | Yes | Yes |
| Rating | Catalog | Catalog | Catalog |
| Shutdown Current(Typ), uA | 1 | 1 | 1 |
| Special Features | I2C Control | I2C Control | I2C Control |
| Topology | Boost | Boost | Boost |
| Vin(Max), V | 5.5 | 5.5 | 5.5 |
| Vin(Min), V | 2.7 | 2.7 | 2.7 |
| Vout(Max), V | 4.6 | 4.6 | 4.6 |
| Vout(Min), V | 2.7 | 2.7 | 2.7 |
Eco Plan
| LM3549SQ/NOPB | LM3549SQE/NOPB | LM3549SQX/NOPB | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant |
Model Line
Series: LM3549 (3)
Manufacturer's Classification
- Semiconductors> Power Management> LED Driver> Indicator/RGBW