Datasheet Linear Technology LT3690
| Manufacturer | Linear Technology |
| Series | LT3690 |
36V, 4A, 1.5MHz Synchronous Step-Down Switching Regulator with 70µA Quiescent Current
Datasheets
Datasheet LT3690
PDF, 1.2 Mb, Language: en, File uploaded: Sep 19, 2017, Pages: 30
36V, 4A, 1.5MHz Synchronous Step-Down Switching Regulator with 70μA Quiescent Current
36V, 4A, 1.5MHz Synchronous Step-Down Switching Regulator with 70μA Quiescent Current
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Prices
Packaging
| LT3690EUFE#PBF | LT3690EUFE#TRPBF | LT3690HUFE#PBF | LT3690HUFE#TRPBF | LT3690IUFE#PBF | LT3690IUFE#TRPBF | LT3690MPUFE#PBF | LT3690MPUFE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing | 4x6 QFN-26 Package Outline Drawing |
| Package Code | UFEMA | UFEMA | UFEMA | UFEMA | UFEMA | UFEMA | UFEMA | UFEMA |
| Package Index | 05-08-1770 | 05-08-1770 | 05-08-1770 | 05-08-1770 | 05-08-1770 | 05-08-1770 | 05-08-1770 | 05-08-1770 |
| Pin Count | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Parametrics
| Parameters / Models | LT3690EUFE#PBF | LT3690EUFE#TRPBF | LT3690HUFE#PBF | LT3690HUFE#TRPBF | LT3690IUFE#PBF | LT3690IUFE#TRPBF | LT3690MPUFE#PBF | LT3690MPUFE#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 |
| Demo Boards | DC1520A | DC1520A | DC1520A | DC1520A | DC1520A | DC1520A | DC1520A | DC1520A |
| 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 |
| Export Control | 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 |
| Frequency, kHz | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 |
| Frequency Adjust Range | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz |
| Frequency Sync Range | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz | 170kHz to 1.5MHz |
| Integrated Inductor | 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 |
| Isupply, mA | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -55 to 125 | -55 to 125 |
| Output Current, A | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Over Voltage Protection, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Polyphase | no | no | no | no | no | no | no | no |
| Switch Current, A | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Vin Min, V | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 |
| Vout Max, V | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Vout Maximum | 20V | 20V | 20V | 20V | 20V | 20V | 20V | 20V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Eco Plan
| LT3690EUFE#PBF | LT3690EUFE#TRPBF | LT3690HUFE#PBF | LT3690HUFE#TRPBF | LT3690IUFE#PBF | LT3690IUFE#TRPBF | LT3690MPUFE#PBF | LT3690MPUFE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3690 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
