Datasheet Linear Technology LTC3873
| Manufacturer | Linear Technology |
| Series | LTC3873 |
No RSENSE Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller
Datasheets
Datasheet LTC3873
PDF, 267 Kb, Language: en, File uploaded: Sep 24, 2017, Pages: 18
No RSENSE Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller
No RSENSE Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller
Extract from the document
Prices
Packaging
| LTC3873EDDB#PBF | LTC3873EDDB#TRMPBF | LTC3873EDDB#TRPBF | LTC3873ETS8#PBF | LTC3873ETS8#TRMPBF | LTC3873ETS8#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | 3x2 DFN-8 Package Outline Drawing | 3x2 DFN-8 Package Outline Drawing | 3x2 DFN-8 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing | SOT-23 Package Outline Drawing |
| Package Code | DDB | DDB | DDB | TS8 | TS8 | TS8 |
| Package Index | 05-08-1702 | 05-08-1702 | 05-08-1702 | 05-08-1637 | 05-08-1637 | 05-08-1637 |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | LTC3873EDDB#PBF | LTC3873EDDB#TRMPBF | LTC3873EDDB#TRPBF | LTC3873ETS8#PBF | LTC3873ETS8#TRMPBF | LTC3873ETS8#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 |
| Demo Boards | DC1154A | DC1154A | DC1154A | DC1154A | DC1154A | DC1154A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no |
| Features | No Rsense | No Rsense | No Rsense | No Rsense | No Rsense | No Rsense |
| Frequency, kHz | 200 | 200 | 200 | 200 | 200 | 200 |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 55 | 55 | 55 | 55 | 55 | 55 |
| Isupply, mA | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | no | no | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 |
| Polyphase | no | no | no | no | no | no |
| Sense Resistor | None | None | None | None | None | None |
| Switch Current, A | 10 | 10 | 10 | 10 | 10 | 10 |
| Synchronous | no | no | no | no | no | no |
| Topology | Boost, Flyback, Sepic | Boost, Flyback, Sepic | Boost, Flyback, Sepic | Boost, Flyback, Sepic | Boost, Flyback, Sepic | Boost, Flyback, Sepic |
| Vin Max, V | 75 | 75 | 75 | 75 | 75 | 75 |
| Vin Min, V | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 |
| Vout Max, V | 60 | 60 | 60 | 60 | 60 | 60 |
| Vout Maximum | 60V | 60V | 60V | 60V | 60V | 60V |
| Vout Min, V | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Vswitch Max, V | 60 | 60 | 60 | 60 | 60 | 60 |
Eco Plan
| LTC3873EDDB#PBF | LTC3873EDDB#TRMPBF | LTC3873EDDB#TRPBF | LTC3873ETS8#PBF | LTC3873ETS8#TRMPBF | LTC3873ETS8#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Articles
- Compact Controller is a Basic Building Block for Wide Array of DC/DC Conversion Solutions &mdash LT JournalPDF, 263 Kb, File published: Oct 16, 2007Extract from the document
Model Line
Series: LTC3873 (6)
Manufacturer's Classification
- Power Management > Switching Regulator > SEPIC Regulators | Flyback, Forward and Isolated Controllers
- Power Management > Switching Regulator > Step-Up (Boost) Regulators > External Power Switch Boost
