Datasheet Linear Technology LTC3856IUH#TRPBF
Manufacturer | Linear Technology |
Series | LTC3856 |
Part Number | LTC3856IUH#TRPBF |
2-Phase Synchronous Step-Down DC/DC Controller with Diffamp
Datasheets
Datasheet LTC3856
PDF, 840 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 40
2-Phase Synchronous Step-Down DC/DC Controller with Diffamp
2-Phase Synchronous Step-Down DC/DC Controller with Diffamp
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Prices
Packaging
Package | 5x5 QFN-32 |
Package Code | UH |
Package Index | 05-08-1693 |
Parametrics
Architecture | Constant Frequency Current Mode |
Demo Boards | DC1580A |
Design Tools | LTspice File,LTpowerCAD File |
Export Control | no |
Features | PolyPhase, Active Voltage Positioning, Differential Remote Sense, Burst Mode, DCR Current Sense, Phase Shedding, External Synchronization, PLL, Tracking, Power Good |
Frequency | 770 kHz |
Frequency Sync Range | 250kHz - 770kHz |
Integrated Inductor | no |
Ishutdown | 40 µA |
Isupply | 4 mA |
Max Phases | 2, 3, 4, 6, 12 |
Monolithic | no |
Number of Outputs | 1 |
Operating Temperature Range | -40 to 85 °C |
Output Current | 60 A |
Polyphase | yes |
Sense Resistor | Rsense, DCR |
Switch Current | 60 A |
Synchronous | yes |
Topology | Buck |
Vin Max | 38 V |
Vin Min | 4.5 V |
Vout Max | 5 V |
Vout Maximum | 5V (without diff amp), 3.3V (with diff amp) |
Vout Min | 0.6 V |
Vref Accuracy Over Temp | 0.75 % |
Eco Plan
RoHS | Compliant |
Design Notes
- 2-Phase Synchronous Buck Controller Features Light Load Stage Shedding Mode, Active Voltage Positioning, Low RSENSE and Remote VOUT Sensing &mdash DN486PDF, 96 Kb, File published: Nov 10, 2010Extract from the document
Articles
- 2-Phase Synchronous Step-Down DC/DC Controller with Programmable Stage Shedding Mode and Active Voltage Positioning for High Efficiency and Fast Transient Response &mdash LT JournalPDF, 1.3 Mb, File published: Jun 30, 2010Extract from the document
Model Line
Series: LTC3856 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers
Other Names:
LTC3856IUHTRPBF, LTC3856IUH TRPBF