Datasheet Texas Instruments LP3944 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LP3944 |
RGB / Blanco / Azul 8-LED Fun Light Driver
Hojas de datos
LP3944 RGB/White/Blue 8-LED Fun Light Driver datasheet
PDF, 930 Kb, Revisión: A, Archivo publicado: abr 6, 2013
Extracto del documento
Precios
Estado
| LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | Sí | No |
Embalaje
| LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 24 | 24 |
| Package Type | RTW | RTW |
| Industry STD Term | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 1000 | 4500 |
| Carrier | SMALL T&R | LARGE T&R |
| Device Marking | 3944SQ | 3944SQ |
| Width (mm) | 4 | 4 |
| Length (mm) | 4 | 4 |
| Thickness (mm) | .75 | .75 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | .8 | .8 |
| Mechanical Data | Descargar | Descargar |
Paramétricos
| Parameters / Models | LP3944ISQ/NOPB | LP3944ISQX/NOPB |
|---|---|---|
| Number of Channels | 8 | 8 |
| Iout(Max), A | 0.2 | 0.2 |
| Iq(Typ), mA | 0.35 | 0.35 |
| LED | 8 | 8 |
| LED Configuration | Parallel | Parallel |
| LED Current Per Channel, mA | 25 | 25 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 |
| Package Group | WQFN | WQFN |
| Package Size: mm2:W x L, PKG | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) |
| Peak Efficiency, % | 100 | 100 |
| Program Memory | No | No |
| Programmable Ramp Control | No | No |
| Rating | Catalog | Catalog |
| Shutdown Current(Typ), uA | 2 | 2 |
| Special Features | I2C Control | I2C Control |
| Topology | Linear | Linear |
| Vin(Max), V | 5.5 | 5.5 |
| Vin(Min), V | 2.3 | 2.3 |
| Vout(Max), V | 5.5 | 5.5 |
| Vout(Min), V | -0.5 | -0.5 |
Plan ecológico
| LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
|---|---|---|
| RoHS | Obediente | Obediente |
Notas de aplicación
- AN-1715 LP3943/LP3944 as a GPIO Expander (Rev. A)PDF, 138 Kb, Revisión: A, Archivo publicado: abr 30, 2013
This application report describes how to use LP3943/44 as a general-purpose input/output (GPIO)expander. It is recommended that circuit data sheets are read first and used in conjunction with thisdocument.
Linea modelo
Serie: LP3944 (2)
Clasificación del fabricante
- Semiconductors> Power Management> LED Driver> Indicator/RGBW