Datasheet Linear Technology LT8620
| Manufacturer | Linear Technology |
| Series | LT8620 |
65V, 2A Synchronous Step-Down Regulator with 2.5µA Quiescent Current
Datasheets
Datasheet LT8620
PDF, 599 Kb, Language: en, File uploaded: Sep 20, 2017, Pages: 26
65V, 2A Synchronous Step-Down Regulator with 2.5μA Quiescent Current
65V, 2A Synchronous Step-Down Regulator with 2.5μA Quiescent Current
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Prices
Packaging
| LT8620EMSE#PBF | LT8620EMSE#TRPBF | LT8620EUDD#PBF | LT8620EUDD#TRPBF | LT8620HMSE#PBF | LT8620HMSE#TRPBF | LT8620IMSE#PBF | LT8620IMSE#TRPBF | LT8620IUDD#PBF | LT8620IUDD#TRPBF | LT8620MPMSE#PBF | LT8620MPMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | MS-16E Package Outline Drawing | MS-16E Package Outline Drawing | 3x5 QFN-24 Package Outline Drawing | 3x5 QFN-24 Package Outline Drawing | MS-16E Package Outline Drawing | MS-16E Package Outline Drawing | MS-16E Package Outline Drawing | MS-16E Package Outline Drawing | 3x5 QFN-24 Package Outline Drawing | 3x5 QFN-24 Package Outline Drawing | MS-16E Package Outline Drawing | MS-16E Package Outline Drawing |
| Package Code | MSE | MSE | UDD | UDD | MSE | MSE | MSE | MSE | UDD | UDD | MSE | MSE |
| Package Index | 05-08-1667 | 05-08-1667 | 05-08-1833 | 05-08-1833 | 05-08-1667 | 05-08-1667 | 05-08-1667 | 05-08-1667 | 05-08-1833 | 05-08-1833 | 05-08-1667 | 05-08-1667 |
| Pin Count | 16 | 16 | 24 | 24 | 16 | 16 | 16 | 16 | 24 | 24 | 16 | 16 |
Parametrics
| Parameters / Models | LT8620EMSE#PBF | LT8620EMSE#TRPBF | LT8620EUDD#PBF | LT8620EUDD#TRPBF | LT8620HMSE#PBF | LT8620HMSE#TRPBF | LT8620IMSE#PBF | LT8620IMSE#TRPBF | LT8620IUDD#PBF | LT8620IUDD#TRPBF | LT8620MPMSE#PBF | LT8620MPMSE#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 | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A | DC1992A |
| Design Tools | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good |
| Frequency, kHz | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 |
| Frequency Adjust Range | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz |
| Frequency Sync Range | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz | 200kHz to 2.2MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Isupply, mA | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 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 | -55 to 125 | -55 to 125 |
| Output Current, A | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Polyphase | no | no | no | no | no | no | no | no | no | no | no | no |
| Switch Current, A | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Vin Min, V | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
| Vout Max, V | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 | 64.75 |
| Vout Min, V | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 |
| Vref Accuracy Over Temp, % | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 |
| Vswitch Max, V | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
Eco Plan
| LT8620EMSE#PBF | LT8620EMSE#TRPBF | LT8620EUDD#PBF | LT8620EUDD#TRPBF | LT8620HMSE#PBF | LT8620HMSE#TRPBF | LT8620IMSE#PBF | LT8620IMSE#TRPBF | LT8620IUDD#PBF | LT8620IUDD#TRPBF | LT8620MPMSE#PBF | LT8620MPMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT8620 (12)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
