Datasheet Linear Technology LTC7103
| Manufacturer | Linear Technology |
| Series | LTC7103 |
105V, 2.3A Low EMI Synchronous Step-Down Regulator
Datasheets
LTC7103: 105V, 2.3A Low EMI Synchronous Step-Down Regulator Data Sheet
PDF, 1.6 Mb, File uploaded: Aug 9, 2017
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Prices
Packaging
| LTC7103EUHE#PBF | LTC7103EUHE#TRPBF | LTC7103HUHE#PBF | LTC7103HUHE#TRPBF | LTC7103IUHE#PBF | LTC7103IUHE#TRPBF | LTC7103MPUHE#PBF | LTC7103MPUHE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing |
| Package Code | UHE | UHE | UHE | UHE | UHE | UHE | UHE | UHE |
| Package Index | 05-08-1983 | 05-08-1983 | 05-08-1983 | 05-08-1983 | 05-08-1983 | 05-08-1983 | 05-08-1983 | 05-08-1983 |
| Pin Count | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
Parametrics
| Parameters / Models | LTC7103EUHE#PBF | LTC7103EUHE#TRPBF | LTC7103HUHE#PBF | LTC7103HUHE#TRPBF | LTC7103IUHE#PBF | LTC7103IUHE#TRPBF | LTC7103MPUHE#PBF | LTC7103MPUHE#TRPBF |
|---|---|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode | Constant Frequency Average Current Mode |
| Demo Boards | DC2317A | DC2317A | DC2317A | DC2317A | DC2317A | DC2317A | DC2317A | DC2317A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no | no | no |
| Features | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor | Low EMI, Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor |
| Frequency, kHz | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 |
| Frequency Adjust Range | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz |
| Frequency Sync Range | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz | 200kHz to 2MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 0.0007 | 0.0007 | 0.0007 | 0.0007 | 0.0007 | 0.0007 | 0.0007 | 0.0007 |
| Isupply, mA | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -55 to 125 | -55 to 125 |
| Output Current, A | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Polyphase | no | no | no | no | no | no | no | no |
| Switch Current, A | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 |
| 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 |
| Vin Max, V | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 |
| Vin Min, V | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
| Vout Max, V | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 |
| Vout Maximum | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin |
| Vout Min, V | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Eco Plan
| LTC7103EUHE#PBF | LTC7103EUHE#TRPBF | LTC7103HUHE#PBF | LTC7103HUHE#TRPBF | LTC7103IUHE#PBF | LTC7103IUHE#TRPBF | LTC7103MPUHE#PBF | LTC7103MPUHE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC7103 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Ultralow Noise Regulators
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
