Datasheet Linear Technology LT1777IS#PBF

ManufacturerLinear Technology
SeriesLT1777
Part NumberLT1777IS#PBF

Low Noise Step-Down Switching Regulator

Datasheets

Datasheet LT1777
PDF, 286 Kb, Language: en, File uploaded: Sep 3, 2017, Pages: 24
Low Noise Step-Down Switching Regulator
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Prices

Packaging

PackageSO-16
Package CodeS
Package Index05-08-1610 (S16)

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC242A
Design ToolsLTspice Model
Export Controlno
FeaturesLow EMI, Adjustable Slew Rate, External Synchronization
Frequency100 kHz
Frequency Sync Range130kHz - 250kHz
Integrated Inductorno
Ishutdown12 µA
Isupply0.62 mA
Max Phases1
Monolithicyes
Number of Outputs1
Operating Temperature Range-40 to 85 °C
Output Current0.44 A
Polyphaseno
Switch Current0.7 A
Synchronousno
TopologyBuck
Vin Max48 V
Vin Min7 V
Vout Max30 V
Vout Maximum.85VIN
Vout Min1.24 V
Vref Accuracy Over Temp1.2 %

Eco Plan

RoHSCompliant

Design Notes

  • LT1777 High Voltage, Low Noise Buck Switching Regulator &mdash DN212
    PDF, 115 Kb, File published: Sep 2, 1999
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Articles

  • Generating Low Cost, Low Noise, Dual-Voltage Supplies &mdash LT Journal
    PDF, 72 Kb, File published: Feb 1, 1999
    Extract from the document

Model Line

Manufacturer's Classification

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

Other Names:

LT1777ISPBF, LT1777IS PBF

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