Datasheet Linear Technology LTC3374 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3374 |
8 canales DC / DC en paralelo de 1A Buck
Hojas de datos
Datasheet LTC3374
PDF, 460 Kb, Idioma: en, Archivo subido: sept 20, 2017, Páginas: 26
8-Channel Parallelable 1A Buck DC/DCs
8-Channel Parallelable 1A Buck DC/DCs
Extracto del documento
Precios
Embalaje
| LTC3374EFE#PBF | LTC3374EFE#TRPBF | LTC3374EUHF#PBF | LTC3374EUHF#TRPBF | LTC3374HFE#PBF | LTC3374HFE#TRPBF | LTC3374HUHF#PBF | LTC3374HUHF#TRPBF | LTC3374IFE#PBF | LTC3374IFE#TRPBF | LTC3374IUHF#PBF | LTC3374IUHF#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | TSSOP-38 Dibujo del esquema del paquete | TSSOP-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete | TSSOP-38 Dibujo del esquema del paquete | TSSOP-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete | TSSOP-38 Dibujo del esquema del paquete | TSSOP-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete | 5x7 QFN-38 Dibujo del esquema del paquete |
| Package Code | FE | FE | UHF | UHF | FE | FE | UHF | UHF | FE | FE | UHF | UHF |
| Package Index | 05-08-1772 | 05-08-1772 | 05-08-1701 | 05-08-1701 | 05-08-1772 | 05-08-1772 | 05-08-1701 | 05-08-1701 | 05-08-1772 | 05-08-1772 | 05-08-1701 | 05-08-1701 |
| Pin Count | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
Paramétricos
| Parameters / Models | LTC3374EFE#PBF | LTC3374EFE#TRPBF | LTC3374EUHF#PBF | LTC3374EUHF#TRPBF | LTC3374HFE#PBF | LTC3374HFE#TRPBF | LTC3374HUHF#PBF | LTC3374HUHF#TRPBF | LTC3374IFE#PBF | LTC3374IFE#TRPBF | LTC3374IUHF#PBF | LTC3374IUHF#TRPBF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A | DC1953A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| Features | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Temperature Monitor |
| Frequency, kHz | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 |
| Frequency Adjust Range | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz |
| Frequency Sync Range | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Isupply, mA | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Max Phases | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Current 2, A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Current 3, A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Polyphase | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Switch Current, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Switch Current 2, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Switch Current 3, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 3 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 |
| Vout Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Max 2, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Max 3, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Maximum | Vout | Vout | Vout | Vout | Vout | Vout | Vout | Vout | Vout | Vout | Vout | Vout |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 2, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 3, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Plan ecológico
| LTC3374EFE#PBF | LTC3374EFE#TRPBF | LTC3374EUHF#PBF | LTC3374EUHF#TRPBF | LTC3374HFE#PBF | LTC3374HFE#TRPBF | LTC3374HUHF#PBF | LTC3374HUHF#TRPBF | LTC3374IFE#PBF | LTC3374IFE#TRPBF | LTC3374IUHF#PBF | LTC3374IUHF#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Linea modelo
Serie: LTC3374 (12)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators