Datasheet Linear Technology LTC7801
| Manufacturer | Linear Technology |
| Series | LTC7801 |
150V Low IQ, Synchronous Step-Down DC/DC Controller
Datasheets
Datasheet LTC7801
PDF, 2.4 Mb, Language: en, File uploaded: Sep 24, 2017, Pages: 38
150V Low IQ, Synchronous Step-Down DC/DC Controller
150V Low IQ, Synchronous Step-Down DC/DC Controller
Extract from the document
Prices
Packaging
| LTC7801EFE#PBF | LTC7801EFE#TRPBF | LTC7801EUFD#PBF | LTC7801EUFD#TRPBF | LTC7801HFE#PBF | LTC7801HFE#TRPBF | LTC7801HUFD#PBF | LTC7801HUFD#TRPBF | LTC7801IFE#PBF | LTC7801IFE#TRPBF | LTC7801IUFD#PBF | LTC7801IUFD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Package | TSSOP-24 Package Outline Drawing | TSSOP-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing | TSSOP-24 Package Outline Drawing | TSSOP-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing | TSSOP-24 Package Outline Drawing | TSSOP-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing | 4x5 QFN-24 Package Outline Drawing |
| Package Code | FE | FE | UFD | UFD | FE | FE | UFD | UFD | FE | FE | UFD | UFD |
| Package Index | 05-08-1771 | 05-08-1771 | 05-08-1696 | 05-08-1696 | 05-08-1771 | 05-08-1771 | 05-08-1696 | 05-08-1696 | 05-08-1771 | 05-08-1771 | 05-08-1696 | 05-08-1696 |
| Pin Count | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Parametrics
| Parameters / Models | LTC7801EFE#PBF | LTC7801EFE#TRPBF | LTC7801EUFD#PBF | LTC7801EUFD#TRPBF | LTC7801HFE#PBF | LTC7801HFE#TRPBF | LTC7801HUFD#PBF | LTC7801HUFD#TRPBF | LTC7801IFE#PBF | LTC7801IFE#TRPBF | LTC7801IUFD#PBF | LTC7801IUFD#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 | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A | DC2641A |
| Design Tools | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File | LTspice Model,LTpowerCAD File |
| Export Control | no | no | no | no | no | no | no | no | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle |
| Frequency, kHz | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
| Frequency Adjust Range | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz | 50kHz to 900kHz |
| Frequency Sync Range | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz | 75kHz to 850kHz |
| Integrated Inductor | no | no | no | no | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Isupply, mA | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 | 0.040 |
| Monolithic | no | no | no | no | no | no | no | no | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 | 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 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Polyphase | no | no | no | no | no | no | no | no | no | no | no | no |
| Sense Resistor | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR |
| Switch Current, A | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 |
| Vin Min, V | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Vin Min Startup, V | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Vout Max, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Vout Maximum | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V | 60V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
Eco Plan
| LTC7801EFE#PBF | LTC7801EFE#TRPBF | LTC7801EUFD#PBF | LTC7801EUFD#TRPBF | LTC7801HFE#PBF | LTC7801HFE#TRPBF | LTC7801HUFD#PBF | LTC7801HUFD#TRPBF | LTC7801IFE#PBF | LTC7801IFE#TRPBF | LTC7801IUFD#PBF | LTC7801IUFD#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC7801 (12)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | External Power Switch Buck Controllers
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
