Datasheet Linear Technology LTC3895 — Datenblatt
| Hersteller | Linear Technology |
| Serie | LTC3895 |
150 V Low IQ, synchroner DC / DC-Abwärtsregler
Datenblätter
Datasheet LTC3895
PDF, 2.3 Mb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 38
150V Low IQ, Synchronous Step-Down DC/DC Controller
150V Low IQ, Synchronous Step-Down DC/DC Controller
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Preise
Verpackung
| LTC3895EFE#PBF | LTC3895EFE#TRPBF | LTC3895HFE#PBF | LTC3895HFE#TRPBF | LTC3895IFE#PBF | LTC3895IFE#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung |
| Package Code | FE | FE | FE | FE | FE | FE |
| Package Index | 05-08-1865 | 05-08-1865 | 05-08-1865 | 05-08-1865 | 05-08-1865 | 05-08-1865 |
| Pin Count | 38 | 38 | 38 | 38 | 38 | 38 |
Parameter
| Parameters / Models | LTC3895EFE#PBF | LTC3895EFE#TRPBF | LTC3895HFE#PBF | LTC3895HFE#TRPBF | LTC3895IFE#PBF | LTC3895IFE#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 |
| Demo Boards | DC2117A | DC2117A | DC2117A | DC2117A | DC2117A | DC2117A |
| 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 |
| Export Control | no | no | no | no | no | no |
| Features | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good |
| Frequency, kHz | 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 |
| Frequency Sync Range | 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 |
| Ishutdown, µA | 10 | 10 | 10 | 10 | 10 | 10 |
| Isupply, mA | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | no | no | no | no | no | no |
| Number of Outputs | 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 |
| Output Current, A | 10 | 10 | 10 | 10 | 10 | 10 |
| Polyphase | no | no | no | no | no | no |
| Sense Resistor | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR | Rsense, DCR |
| Switch Current, A | 25 | 25 | 25 | 25 | 25 | 25 |
| Synchronous | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 140 | 140 | 140 | 140 | 140 | 140 |
| Vin Min, V | 4 | 4 | 4 | 4 | 4 | 4 |
| Vout Max, V | 60 | 60 | 60 | 60 | 60 | 60 |
| Vout Maximum | 60V | 60V | 60V | 60V | 60V | 60V |
| Vout Min, V | 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 |
Öko-Plan
| LTC3895EFE#PBF | LTC3895EFE#TRPBF | LTC3895HFE#PBF | LTC3895HFE#TRPBF | LTC3895IFE#PBF | LTC3895IFE#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Modellreihe
Serie: LTC3895 (6)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower 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