Datasheet Linear Technology LT3481

ManufacturerLinear Technology
SeriesLT3481

36V, 2A, 2.8MHz Step-Down Switching Regulator with 50µA Quiescent Current

Datasheets

Datasheet LT3481
PDF, 315 Kb, Language: en, File uploaded: Sep 18, 2017, Pages: 24
36V, 2A, 2.8MHz Step-Down Switching Regulator with 50µA Quiescent Current
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Prices

Packaging

LT3481EDD#PBFLT3481EDD#TRPBFLT3481EMSE#PBFLT3481EMSE#TRPBFLT3481HDD#PBFLT3481HDD#TRPBFLT3481HMSE#PBFLT3481HMSE#TRPBFLT3481IDD#PBFLT3481IDD#TRPBFLT3481IMSE#PBFLT3481IMSE#TRPBF
N123456789101112
Package3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
Package CodeDDDDMSEMSEDDDDMSEMSEDDDDMSEMSE
Package Index05-08-169905-08-169905-08-166405-08-166405-08-169905-08-169905-08-166405-08-166405-08-169905-08-169905-08-166405-08-1664
Pin Count101010101010101010101010

Parametrics

Parameters / ModelsLT3481EDD#PBFLT3481EDD#TRPBFLT3481EMSE#PBFLT3481EMSE#TRPBFLT3481HDD#PBFLT3481HDD#TRPBFLT3481HMSE#PBFLT3481HMSE#TRPBFLT3481IDD#PBFLT3481IDD#TRPBFLT3481IMSE#PBFLT3481IMSE#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 BoardsDC857ADC857ADC857ADC857ADC857ADC857ADC857ADC857ADC857ADC857ADC857ADC857A
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
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power Good
Frequency, kHz280028002800280028002800280028002800280028002800
Frequency Adjust Range300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz300kHz - 2.8MHz
Frequency Sync Range275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz275kHz - 475kHz
Integrated Inductornononononononononononono
Ishutdown, µA0.010.010.010.010.010.010.010.010.010.010.010.01
Isupply, mA0.050.050.050.050.050.050.050.050.050.050.050.05
Max Phases111111111111
Monolithicyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs111111111111
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, A222222222222
Polyphasenononononononononononono
Switch Current, A3.83.83.83.83.83.83.83.83.83.83.83.8
Synchronousnononononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V363636363636363636363636
Vin Min, V3.63.63.63.63.63.63.63.63.63.63.63.6
Vout Max, V202020202020202020202020
Vout Maximum20V20V20V20V20V20V20V20V20V20V20V20V
Vout Min, V1.2651.2651.2651.2651.2651.2651.2651.2651.2651.2651.2651.265

Eco Plan

LT3481EDD#PBFLT3481EDD#TRPBFLT3481EMSE#PBFLT3481EMSE#TRPBFLT3481HDD#PBFLT3481HDD#TRPBFLT3481HMSE#PBFLT3481HMSE#TRPBFLT3481IDD#PBFLT3481IDD#TRPBFLT3481IMSE#PBFLT3481IMSE#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Design Notes

  • Tiny Monolithic Step-Down Regulators Operate with Wide Input Range &mdash DN390
    PDF, 158 Kb, File published: Apr 18, 2006
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Model Line

Manufacturer's Classification

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