Datasheet Linear Technology LT8631
| Manufacturer | Linear Technology |
| Series | LT8631 |
100V, 1A Synchronous Micropower Step-Down Regulator
Datasheets
Datasheet LT8631
PDF, 375 Kb, Language: en, File uploaded: Oct 20, 2017, Pages: 26
100V, 1A Synchronous Micropower Step-Down Regulator
100V, 1A Synchronous Micropower Step-Down Regulator
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Prices
Packaging
| LT8631EFE#PBF | LT8631EFE#TRPBF | LT8631HFE#PBF | LT8631HFE#TRPBF | LT8631IFE#PBF | LT8631IFE#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing |
| Package Code | FE | FE | FE | FE | FE | FE |
| Package Index | 05-08-1924 | 05-08-1924 | 05-08-1924 | 05-08-1924 | 05-08-1924 | 05-08-1924 |
| Pin Count | 20 | 20 | 20 | 20 | 20 | 20 |
Parametrics
| Parameters / Models | LT8631EFE#PBF | LT8631EFE#TRPBF | LT8631HFE#PBF | LT8631HFE#TRPBF | LT8631IFE#PBF | LT8631IFE#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 | DC2110A | DC2110A | DC2110A | DC2110A | DC2110A | DC2110A |
| Design Tools | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File |
| Export Control | no | no | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good |
| Frequency, kHz | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Frequency Adjust Range | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz |
| Frequency Sync Range | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz | 100kHz to 1MHz |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 5 | 5 | 5 | 5 | 5 | 5 |
| Isupply, mA | 0.0036 | 0.0036 | 0.0036 | 0.0036 | 0.0036 | 0.0036 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 |
| Polyphase | no | no | no | no | no | no |
| Switch Current, A | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Synchronous | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 100 | 100 | 100 | 100 | 100 | 100 |
| Vin Min, V | 3 | 3 | 3 | 3 | 3 | 3 |
| Vout Max, V | 60 | 60 | 60 | 60 | 60 | 60 |
| Vout Max 2, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Maximum | 60V | 60V | 60V | 60V | 60V | 60V |
| Vout Min, V | 0.808 | 0.808 | 0.808 | 0.808 | 0.808 | 0.808 |
| Vref Accuracy Over Temp, % | 1.48 | 1.48 | 1.48 | 1.48 | 1.48 | 1.48 |
Eco Plan
| LT8631EFE#PBF | LT8631EFE#TRPBF | LT8631HFE#PBF | LT8631HFE#TRPBF | LT8631IFE#PBF | LT8631IFE#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT8631 (6)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
