Datasheet Linear Technology LT3957A

ManufacturerLinear Technology
SeriesLT3957A

Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch

Datasheets

Datasheet LT3957A
PDF, 567 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 28
Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch
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Prices

Packaging

LT3957AEUHE#PBFLT3957AEUHE#TRPBFLT3957AIUHE#PBFLT3957AIUHE#TRPBF
N1234
Package5x6 QFN-36
Package Outline Drawing
5x6 QFN-36
Package Outline Drawing
5x6 QFN-36
Package Outline Drawing
5x6 QFN-36
Package Outline Drawing
Package CodeUHEUHEUHEUHE
Package Index05-08-183605-08-183605-08-183605-08-1836
Pin Count36363636

Parametrics

Parameters / ModelsLT3957AEUHE#PBFLT3957AEUHE#TRPBFLT3957AIUHE#PBFLT3957AIUHE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnononono
FeaturesResistor Set Frequency, External SynchronizationResistor Set Frequency, External SynchronizationResistor Set Frequency, External SynchronizationResistor Set Frequency, External Synchronization
Frequency, kHz1000100010001000
Frequency Adjust Range100kHz - 1MHz100kHz - 1MHz100kHz - 1MHz100kHz - 1MHz
Frequency Sync Range100kHz - 1MHz100kHz - 1MHz100kHz - 1MHz100kHz - 1MHz
Integrated Inductornononono
Ishutdown, µA0.10.10.10.1
Isupply, mA1.71.71.71.7
Max Phases1111
Monolithicyesyesyesyes
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Polyphasenononono
Switch Current, A5.95.95.95.9
Synchronousnononono
TopologyBoost, Flyback, Sepic, InvertingBoost, Flyback, Sepic, InvertingBoost, Flyback, Sepic, InvertingBoost, Flyback, Sepic, Inverting
Vin Max, V40404040
Vin Min, V3333
Vin Min Startup, V3333
Vout Max, V40404040
Vout Min, V1.61.61.61.6
Vswitch Max, V40404040

Eco Plan

LT3957AEUHE#PBFLT3957AEUHE#TRPBFLT3957AIUHE#PBFLT3957AIUHE#TRPBF
RoHSCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost
  • Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers | Inverting Regulators | SEPIC Regulators