Datasheet Linear Technology LTC3809

ManufacturerLinear Technology
SeriesLTC3809

No Rsense, Low EMI, Synchronous DC/DC Controller

Datasheets

Datasheet LTC3809
PDF, 298 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 24
No RSENSE , Low EMI, Synchronous DC/DC Controller
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Prices

Packaging

LTC3809EDD#PBFLTC3809EDD#TRPBFLTC3809EMSE#PBFLTC3809EMSE#TRPBF
Package3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
Package CodeDDDDMSEMSE
Package Index05-08-169905-08-169905-08-166405-08-1664
Pin Count10101010

Parametrics

Parameters / ModelsLTC3809EDD#PBFLTC3809EDD#TRPBFLTC3809EMSE#PBFLTC3809EMSE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Controlnononono
FeaturesNo Rsense, Spread Spectrum, External Synchronization, PLL, Selectable Switching Frequency, Burst Mode, Power Good, 100% Duty CycleNo Rsense, Spread Spectrum, External Synchronization, PLL, Selectable Switching Frequency, Burst Mode, Power Good, 100% Duty CycleNo Rsense, Spread Spectrum, External Synchronization, PLL, Selectable Switching Frequency, Burst Mode, Power Good, 100% Duty CycleNo Rsense, Spread Spectrum, External Synchronization, PLL, Selectable Switching Frequency, Burst Mode, Power Good, 100% Duty Cycle
Frequency, kHz750750750750
Frequency Adjust Range300kHz, 550kHz, 750kHz300kHz, 550kHz, 750kHz300kHz, 550kHz, 750kHz300kHz, 550kHz, 750kHz
Frequency Sync Range250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz
Integrated Inductornononono
Ishutdown, µA9999
Isupply, mA0.350.350.350.35
Max Phases1111
Monolithicnononono
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85
Output Current, A5555
Polyphasenononono
Sense ResistorNoneNoneNoneNone
Switch Current, A5555
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Vin Max, V9.89.89.89.8
Vin Min, V2.752.752.752.75
Vout Max, V9.89.89.89.8
Vout MaximumVinVinVinVin
Vout Min, V0.60.60.60.6
Vref Accuracy Over Temp, %1.51.51.51.5

Eco Plan

LTC3809EDD#PBFLTC3809EDD#TRPBFLTC3809EMSE#PBFLTC3809EMSE#TRPBF
RoHSCompliantCompliantCompliantCompliant

Design Notes

  • Low EMI Synchronous DC/DC Step-Down Controllers Offer Programmable Output Tracking &mdash DN382
    PDF, 122 Kb, File published: Dec 9, 2005
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Model Line

Manufacturer's Classification

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