Datasheet Linear Technology LT3740
| Manufacturer | Linear Technology |
| Series | LT3740 |
Wide Operating Range, Valley Mode, No RSENSE Synchronous Step-Down Controller
Datasheets
Datasheet LT3740
PDF, 244 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 20
Wide Operating Range, Valley Mode, No RSENSE Synchronous Step-Down Controller
Wide Operating Range, Valley Mode, No RSENSE Synchronous Step-Down Controller
Extract from the document
Packaging
| LT3740EDHC#PBF | LT3740EDHC#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | 5x3 DFN-16 Package Outline Drawing | 5x3 DFN-16 Package Outline Drawing |
| Package Code | DHC | DHC |
| Package Index | 05-08-1706 | 05-08-1706 |
| Pin Count | 16 | 16 |
Parametrics
| Parameters / Models | LT3740EDHC#PBF | LT3740EDHC#TRPBF |
|---|---|---|
| Architecture | Constant Frequency Valley Current Mode | Constant Frequency Valley Current Mode |
| Demo Boards | DC947A | DC947A |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no |
| Features | No Rsense, Power Good, Tracking | No Rsense, Power Good, Tracking |
| Frequency, kHz | 300 | 300 |
| Integrated Inductor | no | no |
| Ishutdown, µA | 0.6 | 0.6 |
| Isupply, mA | 2.5 | 2.5 |
| Max Phases | 1 | 1 |
| Monolithic | no | no |
| Number of Outputs | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 |
| Output Current, A | 20 | 20 |
| Polyphase | no | no |
| Sense Resistor | None | None |
| Switch Current, A | 20 | 20 |
| Synchronous | yes | yes |
| Topology | Buck | Buck |
| Vin Max, V | 22 | 22 |
| Vin Min, V | 2.2 | 2.2 |
| Vout Max, V | 5 | 5 |
| Vout Maximum | 5V | 5V |
| Vout Min, V | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 1 | 1 |
Eco Plan
| LT3740EDHC#PBF | LT3740EDHC#TRPBF | |
|---|---|---|
| RoHS | Compliant | Compliant |
Design Notes
- Step-Down Synchronous Controller Operates from Inputs Down to 2.2V &mdash DN443PDF, 96 Kb, File published: May 28, 2008Extract from the document
Model Line
Series: LT3740 (2)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers