Datasheet Linear Technology LTC3850 — Datenblatt

HerstellerLinear Technology
SerieLTC3850

Dualer 2-Phasen-Synchron-Abwärtsschaltregler

Datenblätter

LTC3850: Dual, 2-Phase Synchronous Step-Down Switching Controller Data Sheet
PDF, 604 Kb, Datei hochgeladen: Jul 31, 2016
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Preise

Verpackung

LTC3850EGN#PBFLTC3850EGN#TRPBFLTC3850EGN-1#PBFLTC3850EGN-1#TRPBFLTC3850EUF#PBFLTC3850EUF#TRPBFLTC3850EUFD#PBFLTC3850EUFD#TRPBFLTC3850IGN#PBFLTC3850IGN#TRPBFLTC3850IGN-1#PBFLTC3850IGN-1#TRPBFLTC3850IUF#PBFLTC3850IUF#TRPBFLTC3850IUFD#PBFLTC3850IUFD#TRPBF
N12345678910111213141516
PackageSSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
SSOP-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
Package CodeGNGNGNGNUFDUFDUFDUFDGNGNGNGNUFDUFDUFDUFD
Package Index05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-171205-08-171205-08-171205-08-171205-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-1641 (GN28)05-08-171205-08-171205-08-171205-08-1712
Pin Count28282828282828282828282828282828

Parameter

Parameters / ModelsLTC3850EGN#PBFLTC3850EGN#TRPBFLTC3850EGN-1#PBFLTC3850EGN-1#TRPBFLTC3850EUF#PBFLTC3850EUF#TRPBFLTC3850EUFD#PBFLTC3850EUFD#TRPBFLTC3850IGN#PBFLTC3850IGN#TRPBFLTC3850IGN-1#PBFLTC3850IGN-1#TRPBFLTC3850IUF#PBFLTC3850IUF#TRPBFLTC3850IUFD#PBFLTC3850IUFD#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 ModeConstant 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 BoardsDC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-ADC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-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 FileLTspice 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 Controlnononononononononononononononono
FeaturesPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power GoodPolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good
Frequency, kHz500500500500500500500500500500500500500500500500
Frequency Adjust Range250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz
Frequency Sync Range250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz250kHz - 780kHz
Integrated Inductornononononononononononononononono
Ishutdown, µA30303030303030303030303030303030
Isupply, mA0.850.850.850.850.850.850.850.850.850.850.850.850.850.850.850.85
Max Phases2222222222222222
Monolithicnononononononononononononononono
Number of Outputs2222222222222222
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A25252525252525252525252525252525
Output Current 2, A25252525252525252525252525252525
Polyphaseyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A25252525252525252525252525252525
Switch Current 2, A25252525252525252525252525252525
Synchronousyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V24242424242424242424242424242424
Vin Min, V4444444444444444
Vout Max, V6666666666666666
Vout Maximum6V6V6V6V6V6V6V6V6V6V6V6V6V6V6V6V
Vout Min, V0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1111111111111111

Öko-Plan

LTC3850EGN#PBFLTC3850EGN#TRPBFLTC3850EGN-1#PBFLTC3850EGN-1#TRPBFLTC3850EUF#PBFLTC3850EUF#TRPBFLTC3850EUFD#PBFLTC3850EUFD#TRPBFLTC3850IGN#PBFLTC3850IGN#TRPBFLTC3850IGN-1#PBFLTC3850IGN-1#TRPBFLTC3850IUF#PBFLTC3850IUF#TRPBFLTC3850IUFD#PBFLTC3850IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Artikel

  • 2-Phase Synchronous Buck Controller Delivers Maximum Features in Minimum Footprint &mdash LT Journal
    PDF, 1.2 Mb, Datei veröffentlicht: Oct 16, 2007
    Auszug aus dem Dokument

Modellreihe

Herstellerklassifikation

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