Datasheet Linear Technology LTC3375 — Ficha de datos
Fabricante | Linear Technology |
Serie | LTC3375 |
DC / DC de 8 canales programables, paralelos 1A Buck
Hojas de datos
Datasheet LTC3375
PDF, 517 Kb, Idioma: en, Archivo subido: sept 20, 2017, Páginas: 36
8-Channel Programmable, Parallelable 1A Buck DC/DCs
8-Channel Programmable, Parallelable 1A Buck DC/DCs
Extracto del documento
Precios
Embalaje
LTC3375EUK#PBF | LTC3375EUK#TRPBF | LTC3375HUK#PBF | LTC3375HUK#TRPBF | LTC3375IUK#PBF | LTC3375IUK#TRPBF | |
---|---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 | 6 |
Package | 7x7 QFN-48 Dibujo del esquema del paquete | 7x7 QFN-48 Dibujo del esquema del paquete | 7x7 QFN-48 Dibujo del esquema del paquete | 7x7 QFN-48 Dibujo del esquema del paquete | 7x7 QFN-48 Dibujo del esquema del paquete | 7x7 QFN-48 Dibujo del esquema del paquete |
Package Code | UK | UK | UK | UK | UK | UK |
Package Index | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 |
Pin Count | 48 | 48 | 48 | 48 | 48 | 48 |
Paramétricos
Parameters / Models | LTC3375EUK#PBF | LTC3375EUK#TRPBF | LTC3375HUK#PBF | LTC3375HUK#TRPBF | LTC3375IUK#PBF | LTC3375IUK#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 |
Demo Boards | DC1921A | DC1921A | DC1921A | DC1921A | DC1921A | DC1921A |
Export Control | no | no | no | no | no | no |
Features | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization | Burst Mode, I2C Control, Tracking, Temperature Monitor, Watchdog Timer, Resistor Set Frequency, External Synchronization |
Frequency, kHz | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 |
Frequency Adjust Range | 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 |
Integrated Inductor | no | no | no | no | no | no |
Ishutdown, µA | 1 | 1 | 1 | 1 | 1 | 1 |
Isupply, mA | 0.018 | 0.018 | 0.018 | 0.018 | 0.018 | 0.018 |
Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
Monolithic | yes | yes | yes | yes | yes | yes |
Number of Outputs | 8 | 8 | 8 | 8 | 8 | 8 |
Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
Output Current, A | 1 | 1 | 1 | 1 | 1 | 1 |
Output Current 2, A | 1 | 1 | 1 | 1 | 1 | 1 |
Output Current 3, A | 1 | 1 | 1 | 1 | 1 | 1 |
Polyphase | no | no | no | no | no | no |
Switch Current, A | 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 |
Switch Current 3, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
Synchronous | yes | yes | yes | yes | yes | yes |
Topology | Buck | Buck | Buck | Buck | Buck | Buck |
Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck |
Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck |
Topology 3 | Buck | Buck | Buck | Buck | Buck | Buck |
Vin Max, V | 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 |
Vout Max, V | 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 |
Vout Max 3, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
Vout Maximum | Vin | Vin | Vin | Vin | Vin | Vin |
Vout Min, V | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 |
Vout Min 2, V | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 |
Vout Min 3, V | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 | 0.425 |
Vref Accuracy Over Temp, % | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Plan ecológico
LTC3375EUK#PBF | LTC3375EUK#TRPBF | LTC3375HUK#PBF | LTC3375HUK#TRPBF | LTC3375IUK#PBF | LTC3375IUK#TRPBF | |
---|---|---|---|---|---|---|
RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Notas de Diseño
- Versatile Industrial Power Supply Takes High Voltage Input and Yields from Eight 1A to Two 4A Outputs &mdash DN520PDF, 111 Kb, Archivo publicado: sept 5, 2013Extracto del documento
Linea modelo
Serie: LTC3375 (6)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck
- Power Management > Switching Regulator > Digitally Programmable Regulators
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators