Datasheet Texas Instruments LP8545 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LP8545 |
Controlador de retroiluminación LED de alta eficiencia para portátiles
Hojas de datos
LP8545 High-Efficiency LED Backlight Driver for Notebooks datasheet
PDF, 1.2 Mb, Revisión: D, Archivo publicado: enero 3, 2014
Extracto del documento
Precios
Estado
| LP8545SQ/NOPB | LP8545SQE/NOPB | LP8545SQX/NOPB | |
|---|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No | Sí | No |
Embalaje
| LP8545SQ/NOPB | LP8545SQE/NOPB | LP8545SQX/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 | L8545SQ | L8545SQ | L8545SQ |
| 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 | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | LP8545SQ/NOPB | LP8545SQE/NOPB | LP8545SQX/NOPB |
|---|---|---|---|
| Number of Channels | 6 | 6 | 6 |
| Duty Cycle(Max), % | 100 | 100 | 100 |
| LED | 60 | 60 | 60 |
| LED Current Per Channel, mA | 50 | 50 | 50 |
| 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, % | 91 | 91 | 91 |
| Rating | Catalog | Catalog | Catalog |
| Shutdown Current(Typ), uA | 1 | 1 | 1 |
| Special Features | Adjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM Control | Adjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM Control | Adjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM Control |
| Switching Frequency(Max), kHz | 1250 | 1250 | 1250 |
| Topology | Boost | Boost | Boost |
| Type | Inductive | Inductive | Inductive |
| Vin(Max), V | 22 | 22 | 22 |
| Vin(Min), V | 5.5 | 5.5 | 5.5 |
| Vout(Max), V | 55 | 55 | 55 |
Plan ecológico
| LP8545SQ/NOPB | LP8545SQE/NOPB | LP8545SQX/NOPB | |
|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente |
Linea modelo
Serie: LP8545 (3)
Clasificación del fabricante
- Semiconductors> Power Management> LED Driver> Backlight