Datasheet Linear Technology LT3508

ManufacturerLinear Technology
SeriesLT3508

Dual Monolithic 1.4A Step-Down Switching Regulator

Datasheets

Datasheet LT3508
PDF, 322 Kb, Language: en, File uploaded: Sep 18, 2017, Pages: 26
Dual Monolithic 1.4A Step-Down Switching Regulator
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Prices

Packaging

LT3508EFE#PBFLT3508EFE#TRPBFLT3508EUF#PBFLT3508EUF#TRPBFLT3508HFE#PBFLT3508HFE#TRPBFLT3508HUF#PBFLT3508HUF#TRPBFLT3508IFE#PBFLT3508IFE#TRPBFLT3508IUF#PBFLT3508IUF#TRPBF
N123456789101112
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
4x4 QFN-24
Package Outline Drawing
Package CodeFEFEUFUFFEFEUFUFFEFEUFUF
Package Index05-08-1663 (BA)05-08-1663 (BA)05-08-169705-08-169705-08-1663 (BA)05-08-1663 (BA)05-08-169705-08-169705-08-1663 (BA)05-08-1663 (BA)05-08-169705-08-1697
Pin Count161624241616242416162424

Parametrics

Parameters / ModelsLT3508EFE#PBFLT3508EFE#TRPBFLT3508EUF#PBFLT3508EUF#TRPBFLT3508HFE#PBFLT3508HFE#TRPBFLT3508HUF#PBFLT3508HUF#TRPBFLT3508IFE#PBFLT3508IFE#TRPBFLT3508IUF#PBFLT3508IUF#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 Mode
Demo BoardsDC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060ADC1060A
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnononononononononononono
FeaturesExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power GoodExternal Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking, Power Good
Frequency, kHz250025002500250025002500250025002500250025002500
Frequency Adjust Range250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz
Frequency Sync Range250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz250kHz - 2.5MHz
Integrated Inductornononononononononononono
Ishutdown, µA0.10.10.10.10.10.10.10.10.10.10.10.1
Isupply, mA4.34.34.34.34.34.34.34.34.34.34.34.3
Max Phases222222222222
Monolithicyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs222222222222
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A1.41.41.41.41.41.41.41.41.41.41.41.4
Output Current 2, A1.41.41.41.41.41.41.41.41.41.41.41.4
Polyphaseyesyesyesyesyesyesyesyesyesyesyesyes
Switch Current, A2.62.62.62.62.62.62.62.62.62.62.62.6
Switch Current 2, A2.62.62.62.62.62.62.62.62.62.62.62.6
Synchronousnononononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V363636363636363636363636
Vin Min, V3.73.73.73.73.73.73.73.73.73.73.73.7
Vout Max, V35.2835.2835.2835.2835.2835.2835.2835.2835.2835.2835.2835.28
Vout Maximum0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin
Vout Min, V0.80.80.80.80.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.80.80.80.80.8

Eco Plan

LT3508EFE#PBFLT3508EFE#TRPBFLT3508EUF#PBFLT3508EUF#TRPBFLT3508HFE#PBFLT3508HFE#TRPBFLT3508HUF#PBFLT3508HUF#TRPBFLT3508IFE#PBFLT3508IFE#TRPBFLT3508IUF#PBFLT3508IUF#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Articles

  • 36V Dual 1.4A Monolithic Step-Down Converter has Start-Up Tracking and Sequencing &mdash LT Journal
    PDF, 732 Kb, File published: Jan 28, 2008
    Extract from the document

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators
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