Datasheet Linear Technology LTC3773

ManufacturerLinear Technology
SeriesLTC3773

Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking

Datasheets

Datasheet LTC3773
PDF, 485 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 32
Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking
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Prices

Packaging

LTC3773EG#PBFLTC3773EG#TRPBFLTC3773EUHF#PBFLTC3773EUHF#TRPBF
N1234
PackageSSOP-36
Package Outline Drawing
SSOP-36
Package Outline Drawing
5x7 QFN-38
Package Outline Drawing
5x7 QFN-38
Package Outline Drawing
Package CodeGGUHFUHF
Package Index05-08-1640 (G36)05-08-1640 (G36)05-08-170105-08-1701
Pin Count36363838

Parametrics

Parameters / ModelsLTC3773EG#PBFLTC3773EG#TRPBFLTC3773EUHF#PBFLTC3773EUHF#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC908A,DC913ADC908A,DC913ADC908A,DC913ADC908A,DC913A
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Controlnononono
FeaturesTracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst ModeTracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst ModeTracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst ModeTracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst Mode
Frequency, kHz700700700700
Frequency Adjust Range220kHz, 400kHz, 560kHz220kHz, 400kHz, 560kHz220kHz, 400kHz, 560kHz220kHz, 400kHz, 560kHz
Frequency Sync Range160kHz - 700kHz160kHz - 700kHz160kHz - 700kHz160kHz - 700kHz
Integrated Inductornononono
Ishutdown, µA20202020
Isupply, mA2.82.82.82.8
Max Phases3333
Monolithicnononono
Number of Outputs3333
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85
Output Current, A25252525
Output Current 2, A25252525
Output Current 3, A25252525
Polyphaseyesyesyesyes
Sense ResistorRsenseRsenseRsenseRsense
Switch Current, A25252525
Switch Current 2, A25252525
Switch Current 3, A25252525
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Topology 1BuckBuckBuckBuck
Topology 2BuckBuckBuckBuck
Topology 3BuckBuckBuckBuck
Vin Max, V36363636
Vin Min, V3.33.33.33.3
Vout Max, V5555
Vout Max 2, V5555
Vout Max 3, V5555
Vout Maximum0.99Vin0.99Vin0.99Vin0.99Vin
Vout Min, V0.60.60.60.6
Vout Min 2, V0.60.60.60.6
Vout Min 3, V0.60.60.60.6
Vref Accuracy Over Temp, %1.51.51.51.5

Eco Plan

LTC3773EG#PBFLTC3773EG#TRPBFLTC3773EUHF#PBFLTC3773EUHF#TRPBF
RoHSCompliantCompliantCompliantCompliant

Design Notes

  • Triple Output 3-Phase Controller Saves Space and Improves Performance in High Density Power Converters &mdash DN409
    PDF, 94 Kb, File published: Jan 29, 2007
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Model Line

Manufacturer's Classification

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