Datasheet Linear Technology LT3505
| Manufacturer | Linear Technology |
| Series | LT3505 |
1.2A, Step-Down Switching Regulator in 3mm x 3mm DFN
Datasheets
Datasheet LT3505
PDF, 832 Kb, Language: en, File uploaded: Sep 18, 2017, Pages: 24
1.2A, Step-Down Switching Regulator in 3mm × 3mm DFN
1.2A, Step-Down Switching Regulator in 3mm × 3mm DFN
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Prices
Packaging
| LT3505EDD#PBF | LT3505EDD#TRPBF | LT3505EMS8E#PBF | LT3505EMS8E#TRPBF | LT3505IDD#PBF | LT3505IDD#TRPBF | LT3505IMS8E#PBF | LT3505IMS8E#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 3x3 DFN-8 Package Outline Drawing | 3x3 DFN-8 Package Outline Drawing | MS-8E Package Outline Drawing | MS-8E Package Outline Drawing | 3x3 DFN-8 Package Outline Drawing | 3x3 DFN-8 Package Outline Drawing | MS-8E Package Outline Drawing | MS-8E Package Outline Drawing |
| Package Code | DD | DD | MS8E | MS8E | DD | DD | MS8E | MS8E |
| Package Index | 05-08-1698 | 05-08-1698 | 05-08-1662 | 05-08-1662 | 05-08-1698 | 05-08-1698 | 05-08-1662 | 05-08-1662 |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | LT3505EDD#PBF | LT3505EDD#TRPBF | LT3505EMS8E#PBF | LT3505EMS8E#TRPBF | LT3505IDD#PBF | LT3505IDD#TRPBF | LT3505IMS8E#PBF | LT3505IMS8E#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 | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A | DC1023A,DC1395A |
| 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 | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency | Resistor Set Frequency |
| Frequency, kHz | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 |
| Frequency Adjust Range | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz | 200kHz - 3MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Isupply, mA | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 | 0 to 85 | 0 to 85 | -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 |
| Polyphase | no | no | no | no | no | no | no | no |
| Switch Current, A | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 |
| Synchronous | no | no | no | no | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 33.84 | 33.84 | 33.84 | 33.84 | 33.84 | 33.84 | 33.84 | 33.84 |
| Vout Maximum | .94Vin | .94Vin | .94Vin | .94Vin | .94Vin | .94Vin | .94Vin | .94Vin |
| Vout Min, V | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 |
| Vref Accuracy Over Temp, % | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 |
Eco Plan
| LT3505EDD#PBF | LT3505EDD#TRPBF | LT3505EMS8E#PBF | LT3505EMS8E#TRPBF | LT3505IDD#PBF | LT3505IDD#TRPBF | LT3505IMS8E#PBF | LT3505IMS8E#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3505 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
