Datasheet Texas Instruments TL2843B — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | TL2843B |
Controlador PWM de modo actual de alto rendimiento
Hojas de datos
High Performance Current-Mode PWM Controllers datasheet
PDF, 720 Kb, Revisión: B, Archivo publicado: jul 2, 2007
Extracto del documento
Estado
| TL2843BD | TL2843BD-8 | TL2843BDR | TL2843BDR-8 | TL2843BDRG4-8 | TL2843BP | TL2843BPG4 | |
|---|---|---|---|---|---|---|---|
| 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) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No | Sí | No | No | No | Sí | Sí |
Embalaje
| TL2843BD | TL2843BD-8 | TL2843BDR | TL2843BDR-8 | TL2843BDRG4-8 | TL2843BP | TL2843BPG4 | |
|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Pin | 14 | 8 | 14 | 8 | 8 | 8 | 8 |
| Package Type | D | D | D | D | D | P | P |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T |
| Package QTY | 50 | 75 | 2500 | 2500 | 2500 | 50 | |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | TUBE | |
| Device Marking | TL2843B | 2843B | TL2843B | 2843B | 2843B | TL2843BP | |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 |
| Length (mm) | 8.65 | 4.9 | 8.65 | 4.9 | 4.9 | 9.81 | 9.81 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 |
| Mechanical Data | Descargar | Descargar | Descargar | Descargar | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | TL2843BD | TL2843BD-8 | TL2843BDR | TL2843BDR-8 | TL2843BDRG4-8 | TL2843BP | TL2843BPG4 |
|---|---|---|---|---|---|---|---|
| Approx. Price (US$) | 0.39 | 1ku | ||||||
| Control Method | Current | Current | Current | Current | Current | Current | Current |
| Duty Cycle(Max), % | 100 | 100 | 100 | 100 | 100 | 100 | |
| Duty Cycle(Max)(%) | 100 | ||||||
| Frequency(Max), kHz | 500 | 500 | 500 | 500 | 500 | 500 | |
| Frequency(Max)(kHz) | 500 | ||||||
| Frequency(Min), kHz | 49 | 49 | 49 | 49 | 49 | 49 | |
| Frequency(Min)(kHz) | 49 | ||||||
| Gate Drive(Typ), A | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Gate Drive(Typ)(A) | 0.2 | ||||||
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | |
| Operating Temperature Range(C) | -40 to 85 | ||||||
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Special Features | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency Error Amplifier Multi-topology |
| Topology | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost Flyback Forward |
| UVLO Thresholds On/Off, V | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | |
| UVLO Thresholds On/Off(V) | 8.4/7.6 | ||||||
| Vin(Max), V | 30 | 30 | 30 | 30 | 30 | 30 | |
| Vin(Max)(V) | 30 | ||||||
| Vin(Min), V | 9 | 9 | 9 | 9 | 9 | 9 | |
| Vin(Min)(V) | 9 |
Plan ecológico
| TL2843BD | TL2843BD-8 | TL2843BDR | TL2843BDR-8 | TL2843BDRG4-8 | TL2843BP | TL2843BPG4 | |
|---|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Desobediente |
| Pb gratis | No | Sí |
Linea modelo
Serie: TL2843B (7)
Clasificación del fabricante
- Semiconductors> Power Management> Offline and Isolated DC/DC Controllers and Converters> PWM and Resonant Controller