Datasheet Texas Instruments LM3489 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LM3489 |
Regulador histérico PFET Buck con pin de activación
Hojas de datos
LM3489x Hysteretic PFET Buck Controller With Enable Pin datasheet
PDF, 1.3 Mb, Revisión: C, Archivo publicado: dic 16, 2016
Extracto del documento
Precios
Estado
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| Estado del ciclo de vida | NRND (No recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No | Sí | Sí |
Embalaje
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 8 | 8 | 8 |
| Package Type | DGK | DGK | DGK |
| Industry STD Term | VSSOP | VSSOP | VSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 1000 | 1000 | 3500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | SKSB | SKSB | SKSB |
| Width (mm) | 3 | 3 | 3 |
| Length (mm) | 3 | 3 | 3 |
| Thickness (mm) | .97 | .97 | .97 |
| Pitch (mm) | .65 | .65 | .65 |
| Max Height (mm) | 1.07 | 1.07 | 1.07 |
| Mechanical Data | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB |
|---|---|---|---|
| Control Mode | Hysteretic | Hysteretic | Hysteretic |
| Duty Cycle(Max), % | 100 | 100 | 100 |
| Iout(Max), A | 4 | 4 | 4 |
| Iq(Typ), mA | 0.28 | 0.28 | 0.28 |
| Number of Phases | 1 | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | VSSOP | VSSOP | VSSOP |
| Rating | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 |
| Special Features | Enable | Enable | Enable |
| Switching Frequency(Max), kHz | 1400 | 1400 | 1400 |
| Switching Frequency(Min), kHz | 50 | 50 | 50 |
| Type | Controller | Controller | Controller |
| Vin(Max), V | 35 | 35 | 35 |
| Vin(Min), V | 4.5 | 4.5 | 4.5 |
| Vout(Max), V | 35 | 35 | 35 |
| Vout(Min), V | 1.239 | 1.239 | 1.239 |
Plan ecológico
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| RoHS | See ti.com | Obediente | 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: LM3489 (3)
Clasificación del fabricante
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)