Datasheet Linear Technology LTC3828

ManufacturerLinear Technology
SeriesLTC3828

Dual, 2-Phase Step-Down Controller with Tracking

Datasheets

Datasheet LTC3828
PDF, 388 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 32
Dual, 2-Phase Step-Down Controller with Tracking
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Prices

Packaging

LTC3828EG#PBFLTC3828EG#TRPBFLTC3828EUH#PBFLTC3828EUH#TRPBF
N1234
PackageSSOP-28
Package Outline Drawing
SSOP-28
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
5x5 QFN-32
Package Outline Drawing
Package CodeGGUHUH
Package Index05-08-1640 (G28)05-08-1640 (G28)05-08-169305-08-1693
Pin Count28283232

Parametrics

Parameters / ModelsLTC3828EG#PBFLTC3828EG#TRPBFLTC3828EUH#PBFLTC3828EUH#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC802A,DC884A,DC980A/BDC802A,DC884A,DC980A/BDC802A,DC884A,DC980A/BDC802A,DC884A,DC980A/B
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Controlnononono
FeaturesTracking, PolyPhase, Power Good, External SynchronizationTracking, PolyPhase, Power Good, External SynchronizationTracking, PolyPhase, Power Good, External SynchronizationTracking, PolyPhase, Power Good, External Synchronization
Frequency, kHz550550550550
Frequency Sync Range260kHz - 550kHz260kHz - 550kHz260kHz - 550kHz260kHz - 550kHz
Integrated Inductornononono
Ishutdown, µA20202020
Isupply, mA2222
Max Phases2222
Monolithicnononono
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85
Output Current, A25252525
Polyphaseyesyesyesyes
Sense ResistorRsenseRsenseRsenseRsense
Switch Current, A25252525
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Vin Max, V28282828
Vin Min, V4444
Vout Max, V7777
Vout Maximum7V7V7V7V
Vout Min, V0.80.80.80.8
Vref Accuracy Over Temp, %1111

Eco Plan

LTC3828EG#PBFLTC3828EG#TRPBFLTC3828EUH#PBFLTC3828EUH#TRPBF
RoHSCompliantCompliantCompliantCompliant

Design Notes

  • Active Voltage Positioning Reduces Output Capacitors &mdash Design Solutions 10
    PDF, 130 Kb, File published: Nov 1, 1999
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Articles

  • High Voltage Step-Down Controller Delivers High Power with Minimum Number of Components &mdash LT Journal
    PDF, 248 Kb, File published: Nov 22, 2006
    Extract from the document
  • Reduce the Size and Cost of High Current, High-Power-Density Systems with Tracking Dual, 2-Phase Constant Frequency Step-Down Regulator &mdash LT Journal
    PDF, 335 Kb, File published: Nov 22, 2006
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Model Line

Manufacturer's Classification

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