Datasheet Linear Technology LTC3375
| Manufacturer | Linear Technology | 
| Series | LTC3375 | 
8-Channel Programmable, Parallelable 1A Buck DC/DCs
Datasheets
Datasheet LTC3375
PDF, 517 Kb, Language: en, File uploaded: Sep 20, 2017, Pages: 36
8-Channel Programmable, Parallelable 1A Buck DC/DCs
8-Channel Programmable, Parallelable 1A Buck DC/DCs
Extract from the document
Packaging
| LTC3375EUK#PBF | LTC3375EUK#TRPBF | LTC3375HUK#PBF | LTC3375HUK#TRPBF | LTC3375IUK#PBF | LTC3375IUK#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 
| Package | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 
| 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 | 
Parametrics
| 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 | 
Eco Plan
| LTC3375EUK#PBF | LTC3375EUK#TRPBF | LTC3375HUK#PBF | LTC3375HUK#TRPBF | LTC3375IUK#PBF | LTC3375IUK#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | 
Design Notes
- Versatile Industrial Power Supply Takes High Voltage Input and Yields from Eight 1A to Two 4A Outputs &mdash DN520PDF, 111 Kb, File published: Sep 5, 2013Extract from the document
Model Line
Series: LTC3375 (6)
Manufacturer's Classification
- 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