Datasheet Texas Instruments LM27965 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LM27965 |
Controlador de LED blanco de doble pantalla con control de brillo compatible con I2C
Hojas de datos
LM27965 Dual Display White LED Driver with I2C Compatible Brightness Control datasheet
PDF, 1.0 Mb, Revisión: B, Archivo publicado: feb 20, 2013
Extracto del documento
Precios
Estado
| LM27965SQ-M/NOPB | LM27965SQ/NOPB | LM27965SQX/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 | Sí | Sí | Sí |
Embalaje
| LM27965SQ-M/NOPB | LM27965SQ/NOPB | LM27965SQX/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 | 1000 | 4500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | 27965M | L27965S | L27965S |
| 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 | LM27965SQ-M/NOPB | LM27965SQ/NOPB | LM27965SQX/NOPB |
|---|---|---|---|
| Number of Channels | 8 | 8 | 8 |
| Duty Cycle(Max), % | 100 | 100 | 100 |
| LED | 9 | 9 | 9 |
| LED Current Per Channel, mA | 30 | 30 | 30 |
| 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 | 3.4 | 3.4 | 3.4 |
| Special Features | I2C Control | I2C Control | I2C Control |
| Switching Frequency(Max), kHz | 1570 | 1570 | 1570 |
| Topology | Buck | Buck | Buck |
| Type | Capacitive | Capacitive | Capacitive |
| Vin(Max), V | 5.5 | 5.5 | 5.5 |
| Vin(Min), V | 2.7 | 2.7 | 2.7 |
| Vout(Max), V | 5.5 | 5.5 | 5.5 |
| Vout(Min), V | 2.7 | 2.7 | 2.7 |
Plan ecológico
| LM27965SQ-M/NOPB | LM27965SQ/NOPB | LM27965SQX/NOPB | |
|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente |
Notas de aplicación
- LM27965 Dual Display White LED Driver w/I2C Compatible Brightness Control (Rev. B)PDF, 1.8 Mb, Revisión: B, Archivo publicado: abr 30, 2013
This application note describes how to operate the LM27965 Evaluation Module. - Optimizing Efficiency in White LED Backlight ApplicationsPDF, 579 Kb, Archivo publicado: marzo 21, 2007
Linea modelo
Serie: LM27965 (3)
Clasificación del fabricante
- Semiconductors> Power Management> LED Driver> Backlight