Datasheet Linear Technology LTC1772
| Manufacturer | Linear Technology |
| Series | LTC1772 |
Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
Datasheets
Datasheet LTC1772
PDF, 172 Kb, Language: en, File uploaded: Sep 20, 2017, Pages: 12
Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
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Prices
Packaging
| LTC1772CS6#PBF | LTC1772CS6#TRMPBF | LTC1772CS6#TRPBF | LTC1772ES6#PBF | LTC1772ES6#TRMPBF | LTC1772ES6#TRPBF | LTC1772HS6#PBF | LTC1772HS6#TRMPBF | LTC1772HS6#TRPBF | LTC1772IS6#PBF | LTC1772IS6#TRMPBF | LTC1772IS6#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing |
| Package Code | S6 | S6 | S6 | S6 | S6 | S6 | S6 | S6 | S6 | S6 | S6 | S6 |
| Package Index | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 | 05-08-1636 |
| Pin Count | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Parametrics
| Parameters / Models | LTC1772CS6#PBF | LTC1772CS6#TRMPBF | LTC1772CS6#TRPBF | LTC1772ES6#PBF | LTC1772ES6#TRMPBF | LTC1772ES6#TRPBF | LTC1772HS6#PBF | LTC1772HS6#TRMPBF | LTC1772HS6#TRPBF | LTC1772IS6#PBF | LTC1772IS6#TRMPBF | LTC1772IS6#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 | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B | DC270A,DC279A-B |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| Features | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle |
| Frequency, kHz | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Isupply, mA | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 70 | 0 to 70 | 0 to 70 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Polyphase | no | no | no | no | no | no | no | no | no | no | no | no |
| Sense Resistor | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense | Rsense |
| Switch Current, A | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Synchronous | no | no | no | no | no | no | no | no | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 |
| Vin Min, V | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Vout Max, V | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 |
| Vout Maximum | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Eco Plan
| LTC1772CS6#PBF | LTC1772CS6#TRMPBF | LTC1772CS6#TRPBF | LTC1772ES6#PBF | LTC1772ES6#TRMPBF | LTC1772ES6#TRPBF | LTC1772HS6#PBF | LTC1772HS6#TRMPBF | LTC1772HS6#TRPBF | LTC1772IS6#PBF | LTC1772IS6#TRMPBF | LTC1772IS6#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC1772 (12)
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
