Datasheet Linear Technology LTC3851A — Ficha de datos

FabricanteLinear Technology
SerieLTC3851A

Controlador regulador de conmutación síncrono reductor

Hojas de datos

Datasheet LTC3851A
PDF, 445 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 30
Synchronous Step-Down Switching Regulator Controller
Extracto del documento

Precios

Embalaje

LTC3851AEGN#PBFLTC3851AEGN#TRPBFLTC3851AEMSE#PBFLTC3851AEMSE#TRPBFLTC3851AEUD#PBFLTC3851AEUD#TRPBFLTC3851AHMSE#PBFLTC3851AHMSE#TRPBFLTC3851AIGN#PBFLTC3851AIGN#TRPBFLTC3851AIMSE#PBFLTC3851AIMSE#TRPBFLTC3851AIUD#PBFLTC3851AIUD#TRPBFLTC3851AMPMSE#PBFLTC3851AMPMSE#TRPBF
N12345678910111213141516
PackageSSOP-16
Dibujo del esquema del paquete
SSOP-16
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
3x3 QFN-16
Dibujo del esquema del paquete
3x3 QFN-16
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
SSOP-16
Dibujo del esquema del paquete
SSOP-16
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
3x3 QFN-16
Dibujo del esquema del paquete
3x3 QFN-16
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
MS-16E
Dibujo del esquema del paquete
Package CodeGNGNMSEMSEUDUDMSEMSEGNGNMSEMSEUDUDMSEMSE
Package Index05-08-1641 (GN16)05-08-1641 (GN16)05-08-166705-08-166705-08-169105-08-169105-08-166705-08-166705-08-1641 (GN16)05-08-1641 (GN16)05-08-166705-08-166705-08-169105-08-169105-08-166705-08-1667
Pin Count16161616161616161616161616161616

Paramétricos

Parameters / ModelsLTC3851AEGN#PBFLTC3851AEGN#TRPBFLTC3851AEMSE#PBFLTC3851AEMSE#TRPBFLTC3851AEUD#PBFLTC3851AEUD#TRPBFLTC3851AHMSE#PBFLTC3851AHMSE#TRPBFLTC3851AIGN#PBFLTC3851AIGN#TRPBFLTC3851AIMSE#PBFLTC3851AIMSE#TRPBFLTC3851AIUD#PBFLTC3851AIUD#TRPBFLTC3851AMPMSE#PBFLTC3851AMPMSE#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 ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-ADC1432A-A
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 FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononononononononononononono
FeaturesDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst ModeDCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst Mode
Frequency, kHz750750750750750750750750750750750750750750750750
Frequency Adjust Range250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz
Frequency Sync Range250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz
Integrated Inductornononononononononononononononono
Ishutdown, µA25252525252525252525252525252525
Isupply, mA1.21.21.21.21.21.21.21.21.21.21.21.21.21.21.21.2
Max Phases1111111111111111
Monolithicnononononononononononononononono
Number of Outputs1111111111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-55 to 125-55 to 125
Output Current, A25252525252525252525252525252525
Polyphasenononononononononononononononono
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A25252525252525252525252525252525
Synchronousyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V38383838383838383838383838383838
Vin Min, V4444444444444444
Vout Max, V5.55.55.55.55.55.55.55.55.55.55.55.55.55.55.55.5
Vout Maximum5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V
Vout Min, V0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1111111111111111

Plan ecológico

LTC3851AEGN#PBFLTC3851AEGN#TRPBFLTC3851AEMSE#PBFLTC3851AEMSE#TRPBFLTC3851AEUD#PBFLTC3851AEUD#TRPBFLTC3851AHMSE#PBFLTC3851AHMSE#TRPBFLTC3851AIGN#PBFLTC3851AIGN#TRPBFLTC3851AIMSE#PBFLTC3851AIMSE#TRPBFLTC3851AIUD#PBFLTC3851AIUD#TRPBFLTC3851AMPMSE#PBFLTC3851AMPMSE#TRPBF
RoHSObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObedienteObediente

Notas de aplicación

  • Modeling and Loop Compensation Design of Switching Mode Power Supplies &mdash AN149
    PDF, 1.4 Mb, Archivo publicado: marzo 23, 2015
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators