Datasheet Linear Technology LT1940L

ManufacturerLinear Technology
SeriesLT1940L

Dual Monolithic 1.4A, 1.1MHz Step-Down Switching Regulator

Datasheets

Datasheet LT1940, LT1940L
PDF, 288 Kb, Language: en, File uploaded: Sep 3, 2017, Pages: 20
Dual Monolithic 1.4A, 1.1MHz Step-Down Switching Regulator
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Prices

Packaging

LT1940LEFE#PBFLT1940LEFE#TRPBF
N12
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
Package CodeFEFE
Package Index05-08-1663 (BA)05-08-1663 (BA)
Pin Count1616

Parametrics

Parameters / ModelsLT1940LEFE#PBFLT1940LEFE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC519ADC519A
Design ToolsLTspice Model,LTpowerCAD ModelLTspice Model,LTpowerCAD Model
Export Controlnono
FeaturesAnti-Phase Switching, Power GoodAnti-Phase Switching, Power Good
Frequency, kHz11001100
Integrated Inductornono
Ishutdown, µA3030
Isupply, mA3.83.8
Max Phases22
Monolithicyesyes
Number of Outputs22
Operating Temperature Range, °C0 to 850 to 85
Output Current, A1.41.4
Output Current 2, A1.41.4
Polyphaseyesyes
Switch Current, A2.42.4
Switch Current 2, A2.42.4
Synchronousnono
TopologyBuckBuck
Topology 1BuckBuck
Topology 2BuckBuck
Vin Max, V77
Vin Min, V3.63.6
Vout Max, V2222
Vout Maximum.88VIN.88VIN
Vout Min, V1.251.25
Vout Min 2, V1.251.25

Eco Plan

LT1940LEFE#PBFLT1940LEFE#TRPBF
RoHSCompliantCompliant

Other Options

LT1940 LT1940

Design Notes

  • Dual Monolithic Buck Regulator Provides Two 1.4A Outputs with 2-Phase Switching to Reduce EMI &mdash DN305
    PDF, 82 Kb, File published: Mar 1, 2003
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Model Line

Series: LT1940L (2)

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
EMS supplier