Datasheet Linear Technology LTC3890-1

ManufacturerLinear Technology
SeriesLTC3890-1

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

Datasheets

Datasheet LTC3890-1
PDF, 898 Kb, Language: en, File uploaded: Sep 24, 2017, Pages: 36
60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
Extract from the document

Prices

Packaging

LTC3890EGN-1#PBFLTC3890EGN-1#TRPBFLTC3890HGN-1#PBFLTC3890HGN-1#TRPBFLTC3890IGN-1#PBFLTC3890IGN-1#TRPBFLTC3890MPGN-1#PBFLTC3890MPGN-1#TRPBF
N12345678
PackageSSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
Package CodeGNGNGNGNGNGNGNGN
Package Index05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)
Pin Count2828282828282828

Parametrics

Parameters / ModelsLTC3890EGN-1#PBFLTC3890EGN-1#TRPBFLTC3890HGN-1#PBFLTC3890HGN-1#TRPBFLTC3890IGN-1#PBFLTC3890IGN-1#TRPBFLTC3890MPGN-1#PBFLTC3890MPGN-1#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 BoardsDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-BDC1244A,DC2299A-B
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, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhaseBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhase
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, mA0.060.060.060.060.060.060.060.06
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
Polyphaseyesyesyesyesyesyesyesyes
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, %11111111

Eco Plan

LTC3890EGN-1#PBFLTC3890EGN-1#TRPBFLTC3890HGN-1#PBFLTC3890HGN-1#TRPBFLTC3890IGN-1#PBFLTC3890IGN-1#TRPBFLTC3890MPGN-1#PBFLTC3890MPGN-1#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

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