Datasheet Linear Technology LTC3861EUH-1#PBF

ManufacturerLinear Technology
SeriesLTC3861-1
Part NumberLTC3861EUH-1#PBF

Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing

Datasheets

Datasheet LTC3861-1
PDF, 1.3 Mb, Language: en, File uploaded: Sep 24, 2017, Pages: 38
Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
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Prices

Packaging

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

Parametrics

ArchitectureConstant Frequency Voltage Mode
Design ToolsLTspice Model,LTpowerCAD Model
Export Controlno
FeaturesPolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Soft Start
Frequency2250 kHz
Frequency Adjust RangeUp to 2.25MHz
Frequency Sync RangeUp to 2.25MHz
Integrated Inductorno
Ishutdown50 µA
Isupply30 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs2
Operating Temperature Range0 to 85 °C
Output Current40 A
Output Current 240 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current40 A
Switch Current 240 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max24 V
Vin Min3 V
Vout Max5.5 V
Vout Maximum5.5V
Vout Min0.6 V
Vref Accuracy Over Temp0.75 %

Eco Plan

RoHSCompliant

Application Notes

  • Modeling and Loop Compensation Design of Switching Mode Power Supplies &mdash AN149
    PDF, 1.4 Mb, File published: Mar 23, 2015
    Extract from the document

Model Line

Manufacturer's Classification

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

Other Names:

LTC3861EUH-1PBF, LTC3861EUH-1 PBF, LTC3861EUH1#PBF, LTC3861EUH 1#PBF

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