Datasheet Texas Instruments TPS51221RTVT — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | TPS51221 |
| Numero de parte | TPS51221RTVT |
Frecuencia fija 99% Ciclo de trabajo Modo de pico de corriente Sistema portátil Alimentación Controlador dual 32-WQFN -40 a 85
Hojas de datos
Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Pwr Controlle datasheet
PDF, 946 Kb, Revisión: A, Archivo publicado: feb 26, 2009
Extracto del documento
Estado
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No |
Embalaje
| Pin | 32 | 32 |
| Package Type | RTV | RTV |
| Industry STD Term | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 250 | 250 |
| Carrier | SMALL T&R | SMALL T&R |
| Device Marking | TPS | 51221 |
| Width (mm) | 5 | 5 |
| Length (mm) | 5 | 5 |
| Thickness (mm) | .75 | .75 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | .8 | .8 |
| Mechanical Data | Descargar | Descargar |
Paramétricos
| Control Mode | Current Mode |
| Duty Cycle(Max) | 99 % |
| Iout(Max) | 20 A |
| Iq(Typ) | 1.3 mA |
| Number of Phases | 1 |
| Operating Temperature Range | -40 to 85 C |
| Package Group | WQFN |
| Rating | Catalog |
| Regulated Outputs | 2 |
| Special Features | Enable,Frequency Synchronization,Light Load Efficiency,Phase Interleaving,Power Good,Synchronous Rectification |
| Switching Frequency(Max) | 1000 kHz |
| Switching Frequency(Min) | 200 kHz |
| Type | Controller |
| Vin(Max) | 28 V |
| Vin(Min) | 4.5 V |
| Vout(Max) | 12 V |
| Vout(Min) | 1 V |
Plan ecológico
| RoHS | Obediente |
Notas de aplicación
- Intel ATOM Power Solutions (Rev. A)PDF, 57 Kb, Revisión: A, Archivo publicado: mayo 7, 2009
Linea modelo
Serie: TPS51221 (2)
- TPS51221RTVR TPS51221RTVT
Clasificación del fabricante
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Controller (External Switch)