Datasheet Linear Technology LTC3897
| Manufacturer | Linear Technology |
| Series | LTC3897 |
PolyPhase Synchronous Boost Controller with Input/ Output Protection
Datasheets
LTC3897 - PolyPhase Synchronous Boost Controller with Input/ Output Protection
PDF, 2.3 Mb, File uploaded: Sep 24, 2017
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Packaging
| LTC3897EFE#PBF | LTC3897EFE#TRPBF | LTC3897EUHF#PBF | LTC3897EUHF#TRPBF | LTC3897HFE#PBF | LTC3897HFE#TRPBF | LTC3897HUHF#PBF | LTC3897HUHF#TRPBF | LTC3897IFE#PBF | LTC3897IFE#TRPBF | LTC3897IUHF#PBF | LTC3897IUHF#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | TSSOP-38 Package Outline Drawing | TSSOP-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing | TSSOP-38 Package Outline Drawing | TSSOP-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing | TSSOP-38 Package Outline Drawing | TSSOP-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing | 5x7 QFN-38 Package Outline Drawing |
| 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 |
Parametrics
| Parameters / Models | LTC3897EFE#PBF | LTC3897EFE#TRPBF | LTC3897EUHF#PBF | LTC3897EUHF#TRPBF | LTC3897HFE#PBF | LTC3897HFE#TRPBF | LTC3897HUHF#PBF | LTC3897HUHF#TRPBF | LTC3897IFE#PBF | LTC3897IFE#TRPBF | LTC3897IUHF#PBF | LTC3897IUHF#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 | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A | DC2108A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| Features | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase | Burst Mode, Overvoltage Protection, Reverse Input Protection, PolyPhase |
| Frequency, kHz | 760 | 760 | 760 | 760 | 760 | 760 | 760 | 760 | 760 | 760 | 760 | 760 |
| Frequency Adjust Range | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz | 105kHz to 760kHz |
| Frequency Sync Range | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Isupply, mA | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 | 0.055 |
| Max Phases | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Monolithic | no | no | no | no | no | no | no | no | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 |
| Polyphase | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Sense Resistor | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR |
| Switch Current, A | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost |
| Topology 1 | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost | Boost |
| Vin Max, V | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Vin Min, V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Vin Min Startup, V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout Max, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Vout Maximum | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V |
| Vout Min, V | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Vswitch Max, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
Eco Plan
| LTC3897EFE#PBF | LTC3897EFE#TRPBF | LTC3897EUHF#PBF | LTC3897EUHF#TRPBF | LTC3897HFE#PBF | LTC3897HFE#TRPBF | LTC3897HUHF#PBF | LTC3897HUHF#TRPBF | LTC3897IFE#PBF | LTC3897IFE#TRPBF | LTC3897IUHF#PBF | LTC3897IUHF#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3897 (12)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Up (Boost) Regulators > Micropower Boost | External Power Switch Boost
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
