Datasheet Linear Technology LT3686A
| Manufacturer | Linear Technology |
| Series | LT3686A |
37V/1.2A Step-Down Regulator in 3mm × 3mm DFN and MSE
Datasheets
Datasheet LT3686A
PDF, 522 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 30
37V/1.2A Step-Down Regulator in 3mm × 3mm DFN and MSE
37V/1.2A Step-Down Regulator in 3mm × 3mm DFN and MSE
Extract from the document
Prices
Packaging
| LT3686AEDD#PBF | LT3686AEDD#TRPBF | LT3686AEMSE#PBF | LT3686AEMSE#TRPBF | LT3686AHMSE#PBF | LT3686AHMSE#TRPBF | LT3686AIDD#PBF | LT3686AIDD#TRPBF | LT3686AIMSE#PBF | LT3686AIMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Package | 3x3 DFN-10 Package Outline Drawing | 3x3 DFN-10 Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | 3x3 DFN-10 Package Outline Drawing | 3x3 DFN-10 Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing |
| Package Code | DD | DD | MSE | MSE | MSE | MSE | DD | DD | MSE | MSE |
| Package Index | 05-08-1699 | 05-08-1699 | 05-08-1666 | 05-08-1666 | 05-08-1666 | 05-08-1666 | 05-08-1699 | 05-08-1699 | 05-08-1666 | 05-08-1666 |
| Pin Count | 10 | 10 | 12 | 12 | 12 | 12 | 10 | 10 | 12 | 12 |
Parametrics
| Parameters / Models | LT3686AEDD#PBF | LT3686AEDD#TRPBF | LT3686AEMSE#PBF | LT3686AEMSE#TRPBF | LT3686AHMSE#PBF | LT3686AHMSE#TRPBF | LT3686AIDD#PBF | LT3686AIDD#TRPBF | LT3686AIMSE#PBF | LT3686AIMSE#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 |
| Demo Boards | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A | DC1647A |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no | no | no | no | no | no | no | no | no |
| Features | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking | Resistor Set Frequency, External Synchronization, Tracking |
| Frequency, kHz | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 |
| Frequency Adjust Range | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz |
| Frequency Sync Range | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz | 300kHz - 2.5MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 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 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Over Voltage Protection, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Polyphase | no | no | no | no | no | no | no | no | no | no |
| Switch Current, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Synchronous | no | no | no | no | no | no | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Vout Maximum | 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 |
| Vref Accuracy Over Temp, % | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 | 1.875 |
Eco Plan
| LT3686AEDD#PBF | LT3686AEDD#TRPBF | LT3686AEMSE#PBF | LT3686AEMSE#TRPBF | LT3686AHMSE#PBF | LT3686AHMSE#TRPBF | LT3686AIDD#PBF | LT3686AIDD#TRPBF | LT3686AIMSE#PBF | LT3686AIMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3686A (10)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
