Datasheet Linear Technology LTC3875 — Datenblatt

HerstellerLinear Technology
SerieLTC3875

Dualer 2-Phasen-Synchronregler mit niedriger DCR-Erfassung und Temperaturkompensation

Datenblätter

Datasheet LTC3875
PDF, 997 Kb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 46
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
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Preise

Verpackung

LTC3875EUH#PBFLTC3875EUH#TRPBFLTC3875EUJ#PBFLTC3875EUJ#TRPBFLTC3875IUH#PBFLTC3875IUH#TRPBFLTC3875IUJ#PBFLTC3875IUJ#TRPBF
N12345678
Package5x5 QFN-40
Paketumrisszeichnung
5x5 QFN-40
Paketumrisszeichnung
6x6 QFN-40
Paketumrisszeichnung
6x6 QFN-40
Paketumrisszeichnung
5x5 QFN-40
Paketumrisszeichnung
5x5 QFN-40
Paketumrisszeichnung
6x6 QFN-40
Paketumrisszeichnung
6x6 QFN-40
Paketumrisszeichnung
Package CodeUHUHUJUJUHUHUJUJ
Package Index05-08-174605-08-174605-08-172805-08-172805-08-174605-08-174605-08-172805-08-1728
Pin Count4040404040404040

Parameter

Parameters / ModelsLTC3875EUH#PBFLTC3875EUH#TRPBFLTC3875EUJ#PBFLTC3875EUJ#TRPBFLTC3875IUH#PBFLTC3875IUH#TRPBFLTC3875IUJ#PBFLTC3875IUJ#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 BoardsDC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225ADC2000A,DC2055A,DC2142A,DC2225A
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
FeaturesResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power GoodResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good
Frequency, kHz720720720720720720720720
Frequency Adjust Range250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz
Frequency Sync Range250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz250kHz - 720kHz
Integrated Inductornononononononono
Ishutdown, µA4040404040404040
Isupply, mA77777777
Max Phases2, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 12
Monolithicnononononononono
Number of Outputs22222222
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, A3030303030303030
Output Current 2, A3030303030303030
Polyphaseyesyesyesyesyesyesyesyes
Sense ResistorRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCRRsense, DCR, Sub-Milliohm DCR
Switch Current, A3030303030303030
Switch Current 2, A3030303030303030
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V3838383838383838
Vin Min, V4.54.54.54.54.54.54.54.5
Vout Max, V55555555
Vout Maximum3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)3.5V (low DCR) or 5V (without low DCR)
Vout Min, V0.60.60.60.60.60.60.60.6
Vout Min 2, V0.60.60.60.60.60.60.60.6
Vref Accuracy Over Temp, %0.750.750.750.750.750.750.750.75

Öko-Plan

LTC3875EUH#PBFLTC3875EUH#TRPBFLTC3875EUJ#PBFLTC3875EUJ#TRPBFLTC3875IUH#PBFLTC3875IUH#TRPBFLTC3875IUJ#PBFLTC3875IUJ#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Artikel

  • 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT Journal
    PDF, 313 Kb, Datei veröffentlicht: Jul 7, 2015
    Auszug aus dem Dokument
  • High Efficiency PolyPhase Power Supply Delivers 30A per Phase with Ultralow Inductor DCR Sensing and Fast Transient Response &mdash LT Journal
    PDF, 501 Kb, Datei veröffentlicht: Jan 6, 2014
    Auszug aus dem Dokument

Modellreihe

Herstellerklassifikation

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