Datasheet Linear Technology LT3991IMSE-3.3#PBF

ManufacturerLinear Technology
SeriesLT3991
Part NumberLT3991IMSE-3.3#PBF

55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current

Datasheets

Datasheet LT3991, LT3991-3.3, LT3991-5
PDF, 398 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
55V, 1.2A Step-Down Regulator with 2.8μA Quiescent Current
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Prices

Packaging

PackageMS-10E
Package CodeMSE
Package Index05-08-1664

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1526A
Design ToolsLTspice File,LTpowerCAD Model
Export Controlno
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization
Frequency2000 kHz
Frequency Adjust Range200kHz - 2MHz
Frequency Sync Range250kHz - 2MHz
Integrated Inductorno
Ishutdown0.7 µA
Isupply0.0017 mA
Max Phases1
Monolithicyes
Number of Outputs1
Operating Temperature Range-40 to 85 °C
Output Current1.2 A
Polyphaseno
Switch Current2.3 A
Synchronousno
TopologyBuck
Vin Max55 V
Vin Min4.3 V
Vout Max30 V
Vout Maximum30V
Vout Min1.19 V
Vref Accuracy Over Temp2.1 %

Eco Plan

RoHSCompliant

Articles

  • 1.2A Buck Converters Draw Only 2.8µA When Regulating Zero Load, Accept 38VIN or 55VIN &mdash LT Journal
    PDF, 955 Kb, File published: Dec 1, 2009
    Extract from the document

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck

Other Names:

LT3991IMSE-3.3PBF, LT3991IMSE-3.3 PBF, LT3991IMSE3.3#PBF, LT3991IMSE 3.3#PBF