Datasheet Texas Instruments LM2642 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LM2642 |
Controlador síncrono Buck de modo de corriente pico bifásico de 4.5-30 V
Hojas de datos
LM2642 Two-Phase Synchronous Step-Down Switching Controller datasheet
PDF, 1.2 Mb, Revisión: I, Archivo publicado: abr 3, 2013
Extracto del documento
Estado
| LM2642MTC | LM2642MTC/NOPB | LM2642MTCX | LM2642MTCX/NOPB | |
|---|---|---|---|---|
| Estado del ciclo de vida | NRND (No recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | NRND (No recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | Sí | No | No | No |
Embalaje
| LM2642MTC | LM2642MTC/NOPB | LM2642MTCX | LM2642MTCX/NOPB | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 28 | 28 | 28 | 28 |
| Package Type | PW | PW | PW | PW |
| Industry STD Term | TSSOP | TSSOP | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R |
| Device Marking | LM2642MTC | LM2642MTC | LM2642MTC | LM2642MTC |
| Width (mm) | 4.4 | 4.4 | 4.4 | 4.4 |
| Length (mm) | 9.7 | 9.7 | 9.7 | 9.7 |
| Thickness (mm) | 1 | 1 | 1 | 1 |
| Pitch (mm) | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 | 1.2 | 1.2 |
| Mechanical Data | Descargar | Descargar | Descargar | Descargar |
| Package QTY | 48 | 2500 |
Paramétricos
| Parameters / Models | LM2642MTC | LM2642MTC/NOPB | LM2642MTCX | LM2642MTCX/NOPB |
|---|---|---|---|---|
| Duty Cycle(Max), % | 98 | 98 | 98 | 98 |
| Iout(Max), A | 6 | 6 | 6 | 6 |
| Iq(Typ), mA | 1 | 1 | 1 | 1 |
| Number of Phases | 2 | 2 | 2 | 2 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | TSSOP | TSSOP | TSSOP | TSSOP |
| Rating | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 2 | 2 | 2 | 2 |
| Special Features | Adjustable Current Limit,Enable,Phase Interleaving,Power Good,Synchronous Rectification | Adjustable Current Limit,Enable,Phase Interleaving,Power Good,Synchronous Rectification | Adjustable Current Limit,Enable,Phase Interleaving,Power Good,Synchronous Rectification | Adjustable Current Limit,Enable,Phase Interleaving,Power Good,Synchronous Rectification |
| Switching Frequency(Max), kHz | 300 | 300 | 300 | 300 |
| Switching Frequency(Min), kHz | 300 | 300 | 300 | 300 |
| Type | Controller | Controller | Controller | Controller |
| Vin(Max), V | 30 | 30 | 30 | 30 |
| Vin(Min), V | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout(Max), V | 27 | 27 | 27 | 27 |
| Vout(Min), V | 1.238 | 1.238 | 1.238 | 1.238 |
Plan ecológico
| LM2642MTC | LM2642MTC/NOPB | LM2642MTCX | LM2642MTCX/NOPB | |
|---|---|---|---|---|
| RoHS | Desobediente | Obediente | Desobediente | Obediente |
Notas de aplicación
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, Archivo publicado: jul 21, 2016
Linea modelo
Serie: LM2642 (4)
Clasificación del fabricante
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)