Datasheet Linear Technology LTC3731H
| Manufacturer | Linear Technology |
| Series | LTC3731H |
3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
Datasheets
Datasheet LTC3731H
PDF, 442 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 34
3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
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Prices
Packaging
| LTC3731HG#PBF | LTC3731HG#TRPBF | LTC3731HUH#PBF | LTC3731HUH#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-24 Package Outline Drawing | SSOP-24 Package Outline Drawing | 5x5 QFN-32 Package Outline Drawing | 5x5 QFN-32 Package Outline Drawing |
| Package Code | G | G | UH | UH |
| Package Index | 05-08-1640 (G24) | 05-08-1640 (G24) | 05-08-1693 | 05-08-1693 |
| Pin Count | 24 | 24 | 32 | 32 |
Parametrics
| Parameters / Models | LTC3731HG#PBF | LTC3731HG#TRPBF | LTC3731HUH#PBF | LTC3731HUH#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good | PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good | PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good | PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good |
| Frequency, kHz | 600 | 600 | 600 | 600 |
| Frequency Sync Range | 250kHz - 600kHz | 250kHz - 600kHz | 250kHz - 600kHz | 250kHz - 600kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 50 | 50 | 50 | 50 |
| Isupply, mA | 2.3 | 2.3 | 2.3 | 2.3 |
| Max Phases | 3, 6, 9, 12 | 3, 6, 9, 12 | 3, 6, 9, 12 | 3, 6, 9, 12 |
| Monolithic | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Output Current, A | 60 | 60 | 60 | 60 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | Rsense | Rsense | Rsense | Rsense |
| Switch Current, A | 240 | 240 | 240 | 240 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 |
| Vin Min, V | 4 | 4 | 4 | 4 |
| Vout Max, V | 6 | 6 | 6 | 6 |
| Vout Maximum | 6V | 6V | 6V | 6V |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 2 | 2 | 2 | 2 |
Eco Plan
| LTC3731HG#PBF | LTC3731HG#TRPBF | LTC3731HUH#PBF | LTC3731HUH#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3731H (4)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
