Datasheet Linear Technology LT8640-1 — 数据表

制造商Linear Technology
系列LT8640-1

具有2.5µA静态电流的42V,5A同步降压静音开关

数据表

LT8640/LT8640-1: 42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current Data Sheet
PDF, 1.7 Mb, 文件上传: Mar 27, 2018
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LT8640EUDC-1#PBFLT8640EUDC-1#TRPBFLT8640HUDC-1#PBFLT8640HUDC-1#TRPBFLT8640IUDC-1#PBFLT8640IUDC-1#TRPBF
N123456
Package3x4 QFN-18
包装外形图
3x4 QFN-18
包装外形图
3x4 QFN-18
包装外形图
3x4 QFN-18
包装外形图
3x4 QFN-18
包装外形图
3x4 QFN-18
包装外形图
Package CodeUDCUDCUDCUDCUDCUDC
Package Index05-08-195605-08-195605-08-195605-08-195605-08-195605-08-1956
Pin Count181818181818

参数化

Parameters / ModelsLT8640EUDC-1#PBFLT8640EUDC-1#TRPBFLT8640HUDC-1#PBFLT8640HUDC-1#TRPBFLT8640IUDC-1#PBFLT8640IUDC-1#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

生态计划

LT8640EUDC-1#PBFLT8640EUDC-1#TRPBFLT8640HUDC-1#PBFLT8640HUDC-1#TRPBFLT8640IUDC-1#PBFLT8640IUDC-1#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliant

其他选择

LT8640

模型线

制造商分类

  • 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