Datasheet Linear Technology LTC3633A-2
| Manufacturer | Linear Technology |
| Series | LTC3633A-2 |
Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator
Datasheets
Datasheet LTC3633A-2, LTC3633A-3
PDF, 424 Kb, Language: en, File uploaded: Sep 22, 2017, Pages: 28
Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator
Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator
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Packaging
| LTC3633AEFE-2#PBF | LTC3633AEFE-2#TRPBF | LTC3633AEUFD-2#PBF | LTC3633AEUFD-2#TRPBF | LTC3633AIFE-2#PBF | LTC3633AIFE-2#TRPBF | LTC3633AIUFD-2#PBF | LTC3633AIUFD-2#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | TSSOP-28 Package Outline Drawing | TSSOP-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | TSSOP-28 Package Outline Drawing | TSSOP-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing |
| Package Code | FE | FE | UFD | UFD | FE | FE | UFD | UFD |
| Package Index | 05-08-1663 (EB) | 05-08-1663 (EB) | 05-08-1712 | 05-08-1712 | 05-08-1663 (EB) | 05-08-1663 (EB) | 05-08-1712 | 05-08-1712 |
| Pin Count | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Parametrics
| Parameters / Models | LTC3633AEFE-2#PBF | LTC3633AEFE-2#TRPBF | LTC3633AEUFD-2#PBF | LTC3633AEUFD-2#TRPBF | LTC3633AIFE-2#PBF | LTC3633AIFE-2#TRPBF | LTC3633AIUFD-2#PBF | LTC3633AIUFD-2#TRPBF |
|---|---|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode | Constant Frequency Controlled On-Time Current Mode |
| Demo Boards | DC1896A | DC1896A | DC1896A | DC1896A | DC1896A | DC1896A | DC1896A | DC1896A |
| Design Tools | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File |
| Export Control | no | no | no | no | no | no | no | no |
| Features | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good | Anti-Phase Switching, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good |
| Frequency, kHz | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 |
| Frequency Adjust Range | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz |
| Frequency Sync Range | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz | 500kHz - 4MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Isupply, mA | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Max Phases | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 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 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Output Current 2, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Polyphase | no | no | no | no | no | no | no | no |
| Switch Current, A | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Switch Current 2, A | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Vout Maximum | 12V | 12V | 12V | 12V | 12V | 12V | 12V | 12V |
| Vout Min, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vout Min 2, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Eco Plan
| LTC3633AEFE-2#PBF | LTC3633AEFE-2#TRPBF | LTC3633AEUFD-2#PBF | LTC3633AEUFD-2#TRPBF | LTC3633AIFE-2#PBF | LTC3633AIFE-2#TRPBF | LTC3633AIUFD-2#PBF | LTC3633AIUFD-2#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Other Options
Model Line
Series: LTC3633A-2 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck