Datasheet Linear Technology LTC3543
| Manufacturer | Linear Technology |
| Series | LTC3543 |
600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
Datasheets
Datasheet LTC3543
PDF, 342 Kb, Language: en, File uploaded: Sep 21, 2017, Pages: 20
600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
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Packaging
| LTC3543EDCB#PBF | LTC3543EDCB#TRMPBF | LTC3543EDCB#TRPBF | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Package | 2x3 DFN-6 Package Outline Drawing | 2x3 DFN-6 Package Outline Drawing | 2x3 DFN-6 Package Outline Drawing |
| Package Code | DCB | DCB | DCB |
| Package Index | 05-08-1715 | 05-08-1715 | 05-08-1715 |
| Pin Count | 6 | 6 | 6 |
Parametrics
| Parameters / Models | LTC3543EDCB#PBF | LTC3543EDCB#TRMPBF | LTC3543EDCB#TRPBF |
|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1008A | DC1008A | DC1008A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no |
| Features | Burst Mode, External Synchronization, PLL, Spread Spectrum, 100% Duty Cycle | Burst Mode, External Synchronization, PLL, Spread Spectrum, 100% Duty Cycle | Burst Mode, External Synchronization, PLL, Spread Spectrum, 100% Duty Cycle |
| Frequency, kHz | 2250 | 2250 | 2250 |
| Frequency Sync Range | 1MHz - 3MHz | 1MHz - 3MHz | 1MHz - 3MHz |
| Integrated Inductor | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 0.045 | 0.045 | 0.045 |
| Max Phases | 1 | 1 | 1 |
| Monolithic | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 |
| Output Current, A | 0.6 | 0.6 | 0.6 |
| Polyphase | no | no | no |
| Switch Current, A | 1 | 1 | 1 |
| Synchronous | yes | yes | yes |
| Topology | Buck | Buck | Buck |
| Vin Max, V | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 2.5 | 2.5 | 2.5 |
| Vout Max, V | 5.5 | 5.5 | 5.5 |
| Vout Maximum | Vin | Vin | Vin |
| Vout Min, V | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 2 | 2 | 2 |
Eco Plan
| LTC3543EDCB#PBF | LTC3543EDCB#TRMPBF | LTC3543EDCB#TRPBF | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant |
Model Line
Series: LTC3543 (3)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck
