Datasheet Linear Technology LTC3891EFE#PBF
Manufacturer | Linear Technology |
Series | LTC3891 |
Part Number | LTC3891EFE#PBF |
Low IQ, 60V Synchronous Step-Down Controller
Datasheets
Datasheet LTC3891
PDF, 691 Kb, Language: en, File uploaded: Dec 25, 2016, Pages: 32
Low IQ, 60V Synchronous Step-Down Controller
Low IQ, 60V Synchronous Step-Down Controller
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Prices
Packaging
Package | TSSOP-20 |
Package Code | FE |
Package Index | 05-08-1663 (CB) |
Parametrics
Architecture | Constant Frequency Current Mode |
Demo Boards | DC1940A,DC1695B |
Design Tools | LTspice File,LTpowerCAD File |
Export Control | no |
Features | DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good |
Frequency | 900 kHz |
Frequency Adjust Range | 50kHz - 900kHz |
Frequency Sync Range | 75kHz - 750kHz |
Integrated Inductor | no |
Ishutdown | 14 µA |
Isupply | 0.05 mA |
Max Phases | 1 |
Monolithic | no |
Number of Outputs | 1 |
Operating Temperature Range | 0 to 85 °C |
Output Current | 15 A |
Polyphase | no |
Sense Resistor | Rsense, DCR |
Switch Current | 15 A |
Synchronous | yes |
Topology | Buck |
Vin Max | 60 V |
Vin Min | 4 V |
Vout Max | 24 V |
Vout Maximum | 24V |
Vout Min | 0.8 V |
Vref Accuracy Over Temp | 1 % |
Eco Plan
RoHS | Compliant |
Design Notes
- Step-Down Converter Delivers 25A at 12VOUT from Inputs Up to 60V &mdash DN1024PDF, 141 Kb, File published: Mar 13, 2012Extract from the document
- Bootstrap Biasing of High Input Voltage Step-Down Controller Increases Converter Efficiency &mdash DN493PDF, 71 Kb, File published: Jul 15, 2011Extract from the document
Articles
- Step-Down Converter Delivers 25A at 12V Output from Inputs Up to 60V &mdash LT JournalPDF, 2.2 Mb, File published: Jul 20, 2012Extract from the document
Model Line
Series: LTC3891 (16)
Manufacturer's Classification
- 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
Other Names:
LTC3891EFEPBF, LTC3891EFE PBF