Datasheet Linear Technology LT3645
| Manufacturer | Linear Technology |
| Series | LT3645 |
36V 500mA Step-Down Regulator and 200mA LDO
Datasheets
LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO
PDF, 308 Kb, File uploaded: Sep 18, 2017
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Prices
Packaging
| LT3645EMSE#PBF | LT3645EMSE#TRPBF | LT3645EUD#PBF | LT3645EUD#TRPBF | LT3645HMSE#PBF | LT3645HMSE#TRPBF | LT3645IMSE#PBF | LT3645IMSE#TRPBF | LT3645IUD#PBF | LT3645IUD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Package | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | 3x3 QFN-16 Package Outline Drawing | 3x3 QFN-16 Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | MS-12E Package Outline Drawing | 3x3 QFN-16 Package Outline Drawing | 3x3 QFN-16 Package Outline Drawing |
| Package Code | MSE | MSE | UD | UD | MSE | MSE | MSE | MSE | UD | UD |
| Package Index | 05-08-1666 | 05-08-1666 | 05-08-1691 | 05-08-1691 | 05-08-1666 | 05-08-1666 | 05-08-1666 | 05-08-1666 | 05-08-1691 | 05-08-1691 |
| Pin Count | 12 | 12 | 16 | 16 | 12 | 12 | 12 | 12 | 16 | 16 |
Parametrics
| Parameters / Models | LT3645EMSE#PBF | LT3645EMSE#TRPBF | LT3645EUD#PBF | LT3645EUD#TRPBF | LT3645HMSE#PBF | LT3645HMSE#TRPBF | LT3645IMSE#PBF | LT3645IMSE#TRPBF | LT3645IUD#PBF | LT3645IUD#TRPBF |
|---|---|---|---|---|---|---|---|---|---|---|
| Buck Output Current, A | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Demo Boards | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A | DC1428A |
| 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 | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no | no | no | no | no | no | no | no | no |
| Features | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good | Overvoltage Protection, LDO, Power Good |
| LDO Output Current, A | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Number of Outputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 |
| Vin Max, V | 36 | 36 | 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 | 3.6 | 3.6 |
Eco Plan
| LT3645EMSE#PBF | LT3645EMSE#TRPBF | LT3645EUD#PBF | LT3645EUD#TRPBF | LT3645HMSE#PBF | LT3645HMSE#TRPBF | LT3645IMSE#PBF | LT3645IMSE#TRPBF | LT3645IUD#PBF | LT3645IUD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3645 (10)
Manufacturer's Classification
- Power Management > PMIC & Multifunction > Multitopology DC/DC
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Buck Regulator Plus LDO
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
