Datasheet Linear Technology LT1939
| Manufacturer | Linear Technology |
| Series | LT1939 |
Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
Datasheets
Datasheet LT1939
PDF, 358 Kb, Language: en, File uploaded: Sep 3, 2017, Pages: 24
Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
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Prices
Packaging
| LT1939EDD#PBF | LT1939EDD#TRPBF | LT1939IDD#PBF | LT1939IDD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 3x3 DFN-12 Package Outline Drawing | 3x3 DFN-12 Package Outline Drawing | 3x3 DFN-12 Package Outline Drawing | 3x3 DFN-12 Package Outline Drawing |
| Package Code | DD | DD | DD | DD |
| Package Index | 05-08-1725 | 05-08-1725 | 05-08-1725 | 05-08-1725 |
| Pin Count | 12 | 12 | 12 | 12 |
Parametrics
| Parameters / Models | LT1939EDD#PBF | LT1939EDD#TRPBF | LT1939IDD#PBF | LT1939IDD#TRPBF |
|---|---|---|---|---|
| Buck Output Current, A | 2 | 2 | 2 | 2 |
| Demo Boards | DC1293A | DC1293A | DC1293A | DC1293A |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no | no | no |
| Features | LDO, Tracking, Resistor Set Frequency, External Synchronization, Power Good | LDO, Tracking, Resistor Set Frequency, External Synchronization, Power Good | LDO, Tracking, Resistor Set Frequency, External Synchronization, Power Good | LDO, Tracking, Resistor Set Frequency, External Synchronization, Power Good |
| LDO Output Current, A | Controller | Controller | Controller | Controller |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Vin Max, V | 25 | 25 | 25 | 25 |
| Vin Min, V | 3 | 3 | 3 | 3 |
Eco Plan
| LT1939EDD#PBF | LT1939EDD#TRPBF | LT1939IDD#PBF | LT1939IDD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT1939 (4)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | Buck Regulator Plus LDO
- Power Management > PMIC & Multifunction > Multitopology DC/DC
