Datasheet Linear Technology LTC3890-2

ManufacturerLinear Technology
SeriesLTC3890-2

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

Datasheets

LTC3890-2: 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Data Sheet
PDF, 427 Kb, File uploaded: Sep 24, 2017
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Prices

Packaging

LTC3890EUH-2#PBFLTC3890EUH-2#TRPBFLTC3890HUH-2#PBFLTC3890HUH-2#TRPBFLTC3890IUH-2#PBFLTC3890IUH-2#TRPBFLTC3890MPUH-2#PBFLTC3890MPUH-2#TRPBF
N12345678
Package5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
Package CodeUHUHUHUHUHUHUHUH
Package Index05-08-169305-08-169305-08-169305-08-169305-08-169305-08-169305-08-169305-08-1693
Pin Count3232323232323232

Parametrics

Parameters / ModelsLTC3890EUH-2#PBFLTC3890EUH-2#TRPBFLTC3890HUH-2#PBFLTC3890HUH-2#TRPBFLTC3890IUH-2#PBFLTC3890IUH-2#TRPBFLTC3890MPUH-2#PBFLTC3890MPUH-2#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2236A-ADC2236A-ADC2236A-ADC2236A-ADC2236A-ADC2236A-ADC2236A-ADC2236A-A
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
FeaturesDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power GoodDCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good
Frequency, kHz900900900900900900900900
Frequency Adjust Range50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz50kHz - 900kHz
Frequency Sync Range75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz75kHz - 850kHz
Integrated Inductornononononononono
Ishutdown, µA1414141414141414
Isupply, mA0.0500.0500.0500.0500.0500.0500.0500.050
Max Phases22222222
Monolithicnononononononono
Number of Outputs22222222
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-55 to 125-55 to 125
Output Current, A1515151515151515
Output Current 2, A1515151515151515
Polyphasenononononononono
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A1515151515151515
Switch Current 2, A1515151515151515
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V6060606060606060
Vin Min, V44444444
Vout Max, V2424242424242424
Vout Maximum24V24V24V24V24V24V24V24V
Vout Min, V0.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1.51.51.51.51.51.51.51.5

Eco Plan

LTC3890EUH-2#PBFLTC3890EUH-2#TRPBFLTC3890HUH-2#PBFLTC3890HUH-2#TRPBFLTC3890IUH-2#PBFLTC3890IUH-2#TRPBFLTC3890MPUH-2#PBFLTC3890MPUH-2#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | High Input Voltage Buck | External Power Switch Buck Controllers
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
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