Datasheet Linear Technology LTC3808 — Ficha de datos

FabricanteLinear Technology
SerieLTC3808

Sin RSENSE, bajo EMI, controlador síncrono DC / DC con seguimiento de salida

Hojas de datos

Datasheet LTC3808
PDF, 386 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 28
No RSENSE , Low EMI, Synchronous DC/DC Controller with Output Tracking
Extracto del documento

Precios

Embalaje

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

Paramétricos

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

Plan ecológico

LTC3808EDE#PBFLTC3808EDE#TRPBFLTC3808EGN#PBFLTC3808EGN#TRPBF
RoHSObedienteObedienteObedienteObediente

Notas de Diseño

  • Low EMI Synchronous DC/DC Step-Down Controllers Offer Programmable Output Tracking &mdash DN382
    PDF, 122 Kb, Archivo publicado: dic 9, 2005
    Extracto del documento

Artículos

  • 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, Archivo publicado: jun 10, 2005
    Extracto del documento

Linea modelo

Clasificación del fabricante

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