Datasheet Linear Technology LTC3605A
| Manufacturer | Linear Technology |
| Series | LTC3605A |
20V, 5A Synchronous Step-Down Regulator
Datasheets
Datasheet LTC3605A
PDF, 424 Kb, Language: en, File uploaded: Sep 22, 2017, Pages: 22
20V, 5A Synchronous Step-Down Regulator
20V, 5A Synchronous Step-Down Regulator
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Prices
Packaging
| LTC3605AEUF#PBF | LTC3605AEUF#TRPBF | LTC3605AIUF#PBF | LTC3605AIUF#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 4x4 QFN-24 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing |
| Package Code | UF | UF | UF | UF |
| Package Index | 05-08-1697 | 05-08-1697 | 05-08-1697 | 05-08-1697 |
| Pin Count | 24 | 24 | 24 | 24 |
Parametrics
| Parameters / Models | LTC3605AEUF#PBF | LTC3605AEUF#TRPBF | LTC3605AIUF#PBF | LTC3605AIUF#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode |
| Demo Boards | DC1897B | DC1897B | DC1897B | DC1897B |
| Design Tools | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File |
| Export Control | no | no | no | no |
| Features | Resistor Set Frequency, PolyPhase, Tracking, External Synchronization, Power Good | Resistor Set Frequency, PolyPhase, Tracking, External Synchronization, Power Good | Resistor Set Frequency, PolyPhase, Tracking, External Synchronization, Power Good | Resistor Set Frequency, PolyPhase, Tracking, External Synchronization, Power Good |
| Frequency, kHz | 4000 | 4000 | 4000 | 4000 |
| Frequency Adjust Range | 800kHz - 4MHz | 800kHz - 4MHz | 800kHz - 4MHz | 800kHz - 4MHz |
| Frequency Sync Range | 800kHz - 4MHz | 800kHz - 4MHz | 800kHz - 4MHz | 800kHz - 4MHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 11 | 11 | 11 | 11 |
| Isupply, mA | 1.5 | 1.5 | 1.5 | 1.5 |
| Max Phases | 12 | 12 | 12 | 12 |
| Monolithic | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 5 | 5 | 5 | 5 |
| Polyphase | yes | yes | yes | yes |
| Switch Current, A | 6 | 6 | 6 | 6 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 20 | 20 | 20 | 20 |
| Vin Min, V | 4 | 4 | 4 | 4 |
| Vout Max, V | 19.8 | 19.8 | 19.8 | 19.8 |
| Vout Maximum | 0.99Vin | 0.99Vin | 0.99Vin | 0.99Vin |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 |
Eco Plan
| LTC3605AEUF#PBF | LTC3605AEUF#TRPBF | LTC3605AIUF#PBF | LTC3605AIUF#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3605A (4)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
