Datasheet Linear Technology LTC3649EUFD#TRPBF

ManufacturerLinear Technology
SeriesLTC3649
Part NumberLTC3649EUFD#TRPBF

60V, 4A Synchronous Step-Down Regulator with Rail-to-Rail Programmable Output

Datasheets

Datasheet LTC3649
PDF, 507 Kb, Language: en, File uploaded: Sep 22, 2017, Pages: 26
60V, 4A Synchronous Step-Down Regulator with Rail-to-Rail Programmable Output
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Prices

Packaging

Package4x5 QFN-28
Package CodeUFD
Package Index05-08-1712

Parametrics

ArchitecturePeak Current Mode
Demo BoardsDC2113A,DC2112A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External Synchronization
Frequency3000 kHz
Frequency Adjust Range300kHz - 3MHz
Frequency Sync Range300kHz - 3MHz
Integrated Inductorno
Ishutdown18 µA
Isupply0.44 mA
Monolithicyes
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current4 A
Polyphaseyes
Switch Current6 A
Synchronousyes
TopologyBuck
Topology 1Buck
Vin Max60 V
Vin Min3.1 V
Vout Max59.5 V
Vout MaximumVin - 0.5V
Vref Accuracy Over Temp0.8 %

Eco Plan

RoHSCompliant

Design Notes

  • 80ВµA Quiescent Current Synchronous Step-Down Controller Extends Battery Life in Automotive Applications &mdash DN1014
    PDF, 103 Kb, File published: Dec 18, 2006
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  • 60V Input Monolithic Converter Powers Critical Circuits without Supercaps or Other Additional Components &mdash DN1040
    PDF, 203 Kb, File published: Nov 15, 2016
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  • 60V, 4A Synchronous Monolithic Step-Down Regulator Has Rail-to Rail Operation &mdash DN550
    PDF, 346 Kb, File published: Apr 5, 2016
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Articles

  • 60V Input Monolithic Converter Powers Critical Circuits without Supercaps or Other Additional Components &mdash LT Journal
    PDF, 147 Kb, File published: Jul 7, 2017
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Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | High Input Voltage Buck

Other Names:

LTC3649EUFDTRPBF, LTC3649EUFD TRPBF