Datasheet Linear Technology LTC3808

ManufacturerLinear Technology
SeriesLTC3808

No RSENSE, Low EMI, Synchronous DC/DC Controller with Output Tracking

Datasheets

Datasheet LTC3808
PDF, 386 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 28
No RSENSE , Low EMI, Synchronous DC/DC Controller with Output Tracking
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Prices

Packaging

LTC3808EDE#PBFLTC3808EDE#TRPBFLTC3808EGN#PBFLTC3808EGN#TRPBF
N1234
Package4x3 DFN-14
Package Outline Drawing
4x3 DFN-14
Package Outline Drawing
SSOP-16
Package Outline Drawing
SSOP-16
Package Outline Drawing
Package CodeDEDEGNGN
Package Index05-08-170805-08-170805-08-1641 (GN16)05-08-1641 (GN16)
Pin Count14141616

Parametrics

Parameters / ModelsLTC3808EDE#PBFLTC3808EDE#TRPBFLTC3808EGN#PBFLTC3808EGN#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC769ADC769ADC769ADC769A
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Controlnononono
FeaturesNo Rsense, Tracking, Spread Spectrum, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, 100% Duty CycleNo Rsense, Tracking, Spread Spectrum, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, 100% Duty CycleNo Rsense, Tracking, Spread Spectrum, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, 100% Duty CycleNo Rsense, Tracking, Spread Spectrum, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, 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

LTC3808EDE#PBFLTC3808EDE#TRPBFLTC3808EGN#PBFLTC3808EGN#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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Articles

  • Low EMI, Output Tracking, High Efficiency, and Too Many Other Features to List in a 3mm x 4mm Synchronous Buck Controller &mdash LT Journal
    PDF, 356 Kb, File published: Jun 10, 2005
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Model Line

Manufacturer's Classification

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