Datasheet Linear Technology LTC3868-1 — Datenblatt

HerstellerLinear Technology
SerieLTC3868-1

Low I Q , doppelter synchroner 2-Phasen-Abwärtsregler

Datenblätter

Datasheet LTC3868-1
PDF, 475 Kb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 38
Low IQ, Dual 2-Phase Synchronous Step-Down Controller
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Preise

Verpackung

LTC3868EGN-1#PBFLTC3868EGN-1#TRPBFLTC3868EUFD-1#PBFLTC3868EUFD-1#TRPBFLTC3868IGN-1#PBFLTC3868IGN-1#TRPBFLTC3868IUFD-1#PBFLTC3868IUFD-1#TRPBF
N12345678
PackageSSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
Package CodeGNGNUFDUFDGNGNUFDUFD
Package Index05-08-1641 (GN28)05-08-1641 (GN28)05-08-171205-08-171205-08-1641 (GN28)05-08-1641 (GN28)05-08-171205-08-1712
Pin Count2828282828282828

Parameter

Parameters / ModelsLTC3868EGN-1#PBFLTC3868EGN-1#TRPBFLTC3868EUFD-1#PBFLTC3868EUFD-1#TRPBFLTC3868IGN-1#PBFLTC3868IGN-1#TRPBFLTC3868IUFD-1#PBFLTC3868IUFD-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
Design ToolsLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD Model
Export Controlnononononononono
FeaturesBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good
Frequency, kHz850850850850850850850850
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, µA0.010.010.010.010.010.010.010.01
Isupply, mA0.170.170.170.170.170.170.170.17
Max Phases22222222
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, A2525252525252525
Output Current 2, A2525252525252525
Polyphaseyesyesyesyesyesyesyesyes
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A2525252525252525
Switch Current 2, A2525252525252525
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V2424242424242424
Vin Min, V44444444
Vout Max, V1414141414141414
Vout Maximum14V14V14V14V14V14V14V14V
Vout Min, V0.80.80.80.80.80.80.80.8
Vout Min 2, V.8.8.8.8.8.8.8.8
Vref Accuracy Over Temp, %1.51.51.51.51.51.51.51.5

Öko-Plan

LTC3868EGN-1#PBFLTC3868EGN-1#TRPBFLTC3868EUFD-1#PBFLTC3868EUFD-1#TRPBFLTC3868IGN-1#PBFLTC3868IGN-1#TRPBFLTC3868IUFD-1#PBFLTC3868IUFD-1#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Modellreihe

Herstellerklassifikation

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