Datasheet Linear Technology LTC3856EUH#TRPBF

ManufacturerLinear Technology
SeriesLTC3856
Part NumberLTC3856EUH#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
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Prices

Packaging

Package5x5 QFN-32
Package CodeUH
Package Index05-08-1693

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1580A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesPolyPhase, Active Voltage Positioning, Differential Remote Sense, Burst Mode, DCR Current Sense, Phase Shedding, External Synchronization, PLL, Tracking, Power Good
Frequency770 kHz
Frequency Sync Range250kHz - 770kHz
Integrated Inductorno
Ishutdown40 µA
Isupply4 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current60 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current60 A
Synchronousyes
TopologyBuck
Vin Max38 V
Vin Min4.5 V
Vout Max5 V
Vout Maximum5V (without diff amp), 3.3V (with diff amp)
Vout Min0.6 V
Vref Accuracy Over Temp0.75 %

Eco Plan

RoHSCompliant

Design Notes

  • 2-Phase Synchronous Buck Controller Features Light Load Stage Shedding Mode, Active Voltage Positioning, Low RSENSE and Remote VOUT Sensing &mdash DN486
    PDF, 96 Kb, File published: Nov 10, 2010
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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 Journal
    PDF, 1.3 Mb, File published: Jun 30, 2010
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Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers

Other Names:

LTC3856EUHTRPBF, LTC3856EUH TRPBF