Datasheet Linear Technology LT8640 — Ficha de datos

FabricanteLinear Technology
SerieLT8640

Interruptor silencioso reductor síncrono de 42 V, 5 A con corriente de reposo de 2.5 µA

Hojas de datos

LT8640/LT8640-1: 42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current Data Sheet
PDF, 1.7 Mb, Archivo subido: marzo 27, 2018
Extracto del documento

Precios

Embalaje

LT8640EUDC#PBFLT8640EUDC#TRPBFLT8640HUDC#PBFLT8640HUDC#TRPBFLT8640IUDC#PBFLT8640IUDC#TRPBF
N123456
Package3x4 QFN-18
Dibujo del esquema del paquete
3x4 QFN-18
Dibujo del esquema del paquete
3x4 QFN-18
Dibujo del esquema del paquete
3x4 QFN-18
Dibujo del esquema del paquete
3x4 QFN-18
Dibujo del esquema del paquete
3x4 QFN-18
Dibujo del esquema del paquete
Package CodeUDCUDCUDCUDCUDCUDC
Package Index05-08-195605-08-195605-08-195605-08-195605-08-195605-08-1956
Pin Count181818181818

Paramétricos

Parameters / ModelsLT8640EUDC#PBFLT8640EUDC#TRPBFLT8640HUDC#PBFLT8640HUDC#TRPBFLT8640IUDC#PBFLT8640IUDC#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2202ADC2202ADC2202ADC2202ADC2202ADC2202A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononono
FeaturesLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher Architecture, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power Good
Frequency, kHz300030003000300030003000
Frequency Adjust Range200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz
Frequency Sync Range200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz
Integrated Inductornononononono
Ishutdown, µA0.750.750.750.750.750.75
Isupply, mA0.00170.00170.00170.00170.00170.0017
Max Phases111111
Monolithicyesyesyesyesyesyes
Number of Outputs111111
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85
Output Current, A555555
Polyphasenononononono
Switch Current, A101010101010
Synchronousyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuck
Vin Max, V424242424242
Vin Min, V3.43.43.43.43.43.4
Vout Max, V41.5841.5841.5841.5841.5841.58
Vout Maximum0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin0.99Vin
Vout Min, V0.970.970.970.970.970.97
Vref Accuracy Over Temp, %1.231.231.231.231.231.23

Plan ecológico

LT8640EUDC#PBFLT8640EUDC#TRPBFLT8640HUDC#PBFLT8640HUDC#TRPBFLT8640IUDC#PBFLT8640IUDC#TRPBF
RoHSObedienteObedienteObedienteObedienteObedienteObediente

Otras opciones

LT8640-1

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > Ultralow Noise Regulators
  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck