Datasheet Linear Technology LTC3649

ManufacturerLinear Technology
SeriesLTC3649

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
Extract from the document

Prices

Packaging

LTC3649EFE#PBFLTC3649EFE#TRPBFLTC3649EUFD#PBFLTC3649EUFD#TRPBFLTC3649IFE#PBFLTC3649IFE#TRPBFLTC3649IUFD#PBFLTC3649IUFD#TRPBF
N12345678
PackageTSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
Package CodeFEFEUFDUFDFEFEUFDUFD
Package Index05-08-1663 (EB)05-08-1663 (EB)05-08-171205-08-171205-08-1663 (EB)05-08-1663 (EB)05-08-171205-08-1712
Pin Count2828282828282828

Parametrics

Parameters / ModelsLTC3649EFE#PBFLTC3649EFE#TRPBFLTC3649EUFD#PBFLTC3649EUFD#TRPBFLTC3649IFE#PBFLTC3649IFE#TRPBFLTC3649IUFD#PBFLTC3649IUFD#TRPBF
ArchitecturePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current Mode
Demo BoardsDC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112ADC2113A,DC2112A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononononono
FeaturesBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External SynchronizationBurst Mode, Power Good, PolyPhase, Current Source Reference, Output Current Monitor, Resistor Set Frequency, External Synchronization
Frequency, kHz30003000300030003000300030003000
Frequency Adjust Range300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz
Frequency Sync Range300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz300kHz - 3MHz
Integrated Inductornononononononono
Ishutdown, µA1818181818181818
Isupply, mA0.440.440.440.440.440.440.440.44
Monolithicyesyesyesyesyesyesyesyes
Number of Outputs11111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A44444444
Polyphaseyesyesyesyesyesyesyesyes
Switch Current, A66666666
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V6060606060606060
Vin Min, V3.13.13.13.13.13.13.13.1
Vout Max, V59.559.559.559.559.559.559.559.5
Vout MaximumVin - 0.5VVin - 0.5VVin - 0.5VVin - 0.5VVin - 0.5VVin - 0.5VVin - 0.5VVin - 0.5V
Vref Accuracy Over Temp, %0.80.80.80.80.80.80.80.8

Eco Plan

LTC3649EFE#PBFLTC3649EFE#TRPBFLTC3649EUFD#PBFLTC3649EUFD#TRPBFLTC3649IFE#PBFLTC3649IFE#TRPBFLTC3649IUFD#PBFLTC3649IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

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
    Extract from the document
  • 60V Input Monolithic Converter Powers Critical Circuits without Supercaps or Other Additional Components &mdash DN1040
    PDF, 203 Kb, File published: Nov 15, 2016
    Extract from the document
  • 60V, 4A Synchronous Monolithic Step-Down Regulator Has Rail-to Rail Operation &mdash DN550
    PDF, 346 Kb, File published: Apr 5, 2016
    Extract from the document

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
    Extract from the document

Model Line

Manufacturer's Classification

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