Datasheet Linear Technology LTC3854 — Ficha de datos

FabricanteLinear Technology
SerieLTC3854

Pequeña huella, controlador de CC / CC síncrono descendente de amplio rango VIN

Hojas de datos

Datasheet LTC3854
PDF, 547 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 28
Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller
Extracto del documento

Precios

Embalaje

LTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
N12345678910
Package3x2 DFN-12
Dibujo del esquema del paquete
3x2 DFN-12
Dibujo del esquema del paquete
3x2 DFN-12
Dibujo del esquema del paquete
MS-12E
Dibujo del esquema del paquete
MS-12E
Dibujo del esquema del paquete
3x2 DFN-12
Dibujo del esquema del paquete
3x2 DFN-12
Dibujo del esquema del paquete
3x2 DFN-12
Dibujo del esquema del paquete
MS-12E
Dibujo del esquema del paquete
MS-12E
Dibujo del esquema del paquete
Package CodeDDBDDBDDBMSEMSEDDBDDBDDBMSEMSE
Package Index05-08-172305-08-172305-08-172305-08-166605-08-166605-08-172305-08-172305-08-172305-08-166605-08-1666
Pin Count12121212121212121212

Paramétricos

Parameters / ModelsLTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononononononono
FeaturesDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current Sense
Frequency, kHz400400400400400400400400400400
Integrated Inductornononononononononono
Ishutdown, µA10101010101010101010
Isupply, mA2222222222
Max Phases1111111111
Monolithicnononononononononono
Number of Outputs1111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A25252525252525252525
Polyphasenononononononononono
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A25252525252525252525
Synchronousyesyesyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V38383838383838383838
Vin Min, V4.54.54.54.54.54.54.54.54.54.5
Vout Max, V5.55.55.55.55.55.55.55.55.55.5
Vout Maximum5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V
Vout Min, V0.80.80.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1111111111

Plan ecológico

LTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
RoHSObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObediente

Artículos

  • Step-Down DC/DC Controller in 2mm × 3mm DFN Includes FET Drivers, DCR Sensing and Accepts Inputs to 38V &mdash LT Journal
    PDF, 901 Kb, Archivo publicado: jul 15, 2011
    Extracto del documento

Linea modelo

Clasificación del fabricante

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