Datasheet Texas Instruments LM25117 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LM25117 |
4.5-42V Wide Vin, controlador de sincronización sincronizada en modo actual con seguimiento
Hojas de datos
LM25117/Q1 Wide Input Range Synchronous Buck Controller With Analog Current Monitor datasheet
PDF, 2.0 Mb, Revisión: F, Archivo publicado: agosto 27, 2015
Extracto del documento
Precios
Estado
| LM25117PMH/NOPB | LM25117PMHE/NOPB | LM25117PMHX/NOPB | LM25117PSQ/NOPB | LM25117PSQE/NOPB | LM25117PSQX/NOPB | |
|---|---|---|---|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | Sí | No | No | Sí | No | No |
Embalaje
| LM25117PMH/NOPB | LM25117PMHE/NOPB | LM25117PMHX/NOPB | LM25117PSQ/NOPB | LM25117PSQE/NOPB | LM25117PSQX/NOPB | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 20 | 20 | 20 | 24 | 24 | 24 |
| Package Type | PWP | PWP | PWP | RTW | RTW | RTW |
| Industry STD Term | HTSSOP | HTSSOP | HTSSOP | WQFN | WQFN | WQFN |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | S-PQFP-N | S-PQFP-N | S-PQFP-N |
| Package QTY | 73 | 250 | 2500 | 1000 | 250 | 4500 |
| Carrier | TUBE | SMALL T&R | LARGE T&R | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | PMH | PMH | PMH | L25117P | L25117P | L25117P |
| Width (mm) | 4.4 | 4.4 | 4.4 | 4 | 4 | 4 |
| Length (mm) | 6.5 | 6.5 | 6.5 | 4 | 4 | 4 |
| Thickness (mm) | 1 | 1 | 1 | .75 | .75 | .75 |
| Pitch (mm) | .65 | .65 | .65 | .5 | .5 | .5 |
| Max Height (mm) | 1.2 | 1.2 | 1.2 | .8 | .8 | .8 |
| Mechanical Data | Descargar | Descargar | Descargar | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | LM25117PMH/NOPB | LM25117PMHE/NOPB | LM25117PMHX/NOPB | LM25117PSQ/NOPB | LM25117PSQE/NOPB | LM25117PSQX/NOPB |
|---|---|---|---|---|---|---|
| Control Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 98 | 98 | 98 | 98 | 98 | 98 |
| Iout(Max), A | 20 | 20 | 20 | 20 | 20 | 20 |
| Iq(Typ), mA | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
| Number of Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | HTSSOP | HTSSOP | HTSSOP | WQFN | WQFN | WQFN |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable |
| Switching Frequency(Max), kHz | 750 | 750 | 750 | 750 | 750 | 750 |
| Switching Frequency(Min), kHz | 50 | 50 | 50 | 50 | 50 | 50 |
| Type | Controller | Controller | Controller | Controller | Controller | Controller |
| Vin(Max), V | 42 | 42 | 42 | 42 | 42 | 42 |
| Vin(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout(Max), V | 41 | 41 | 41 | 41 | 41 | 41 |
| Vout(Min), V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Plan ecológico
| LM25117PMH/NOPB | LM25117PMHE/NOPB | LM25117PMHX/NOPB | LM25117PSQ/NOPB | LM25117PSQE/NOPB | LM25117PSQX/NOPB | |
|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Notas de aplicación
- Analog Applications Journal 3Q 2015PDF, 7.1 Mb, Archivo publicado: jul 24, 2015
- Ceramic or electrolytic output capacitors in DC/DC converters—Why not both?PDF, 2.1 Mb, Archivo publicado: jul 24, 2015
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, Archivo publicado: jul 21, 2016
Linea modelo
Serie: LM25117 (6)
Clasificación del fabricante
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)