Datasheet Linear Technology LT3470

ManufacturerLinear Technology
SeriesLT3470

Micropower Buck Regulator with Integrated Boost and Catch Diodes

Datasheets

Datasheet LT3470
PDF, 292 Kb, Language: en, File uploaded: Sep 18, 2017, Pages: 20
Micropower Buck Regulator with Integrated Boost and Catch Diodes
Extract from the document

Prices

Packaging

LT3470EDDB#PBFLT3470EDDB#TRMPBFLT3470EDDB#TRPBFLT3470ETS8#PBFLT3470ETS8#TRMPBFLT3470ETS8#TRPBFLT3470HDDB#PBFLT3470HDDB#TRMPBFLT3470HDDB#TRPBFLT3470HTS8#PBFLT3470HTS8#TRMPBFLT3470HTS8#TRPBFLT3470IDDB#PBFLT3470IDDB#TRMPBFLT3470IDDB#TRPBFLT3470ITS8#PBFLT3470ITS8#TRMPBFLT3470ITS8#TRPBF
N123456789101112131415161718
Package3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
3x2 DFN-8
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
SOT-23
Package Outline Drawing
Package CodeDDBDDBDDBTS8TS8TS8DDBDDBDDBTS8TS8TS8DDBDDBDDBTS8TS8TS8
Package Index05-08-170205-08-170205-08-170205-08-163705-08-163705-08-163705-08-170205-08-170205-08-170205-08-163705-08-163705-08-163705-08-170205-08-170205-08-170205-08-163705-08-163705-08-1637
Pin Count888888888888888888

Parametrics

Parameters / ModelsLT3470EDDB#PBFLT3470EDDB#TRMPBFLT3470EDDB#TRPBFLT3470ETS8#PBFLT3470ETS8#TRMPBFLT3470ETS8#TRPBFLT3470HDDB#PBFLT3470HDDB#TRMPBFLT3470HDDB#TRPBFLT3470HTS8#PBFLT3470HTS8#TRMPBFLT3470HTS8#TRPBFLT3470IDDB#PBFLT3470IDDB#TRMPBFLT3470IDDB#TRPBFLT3470ITS8#PBFLT3470ITS8#TRMPBFLT3470ITS8#TRPBF
ArchitectureHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode ControlHysteretic Mode Control
Demo BoardsDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716BDC1037A,DC716B
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononononononononononononononononono
FeaturesBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost DiodeBurst Mode, Integrated Boost Diode
Frequency Adjust RangeHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHystereticHysteretic
Integrated Inductornononononononononononononononononono
Ishutdown, µA0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Isupply, mA0.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.025
Max Phases111111111111111111
Monolithicyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs111111111111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2
Polyphasenononononononononononononononononono
Switch Current, A0.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.3250.325
Synchronousnononononononononononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V404040404040404040404040404040404040
Vin Min, V444444444444444444
Vout Max, V161616161616161616161616161616161616
Vout Maximum16V16V16V16V16V16V16V16V16V16V16V16V16V16V16V16V16V16V
Vout Min, V1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.25
Vref Accuracy Over Temp, %1.21.21.21.21.21.21.21.21.21.21.21.21.21.21.21.21.21.2

Eco Plan

LT3470EDDB#PBFLT3470EDDB#TRMPBFLT3470EDDB#TRPBFLT3470ETS8#PBFLT3470ETS8#TRMPBFLT3470ETS8#TRPBFLT3470HDDB#PBFLT3470HDDB#TRMPBFLT3470HDDB#TRPBFLT3470HTS8#PBFLT3470HTS8#TRMPBFLT3470HTS8#TRPBFLT3470IDDB#PBFLT3470IDDB#TRMPBFLT3470IDDB#TRPBFLT3470ITS8#PBFLT3470ITS8#TRMPBFLT3470ITS8#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Design Notes

  • ThinSOT Micropower Buck Regulator Has Low Output Ripple &mdash DN373
    PDF, 102 Kb, File published: Aug 10, 2005
    Extract from the document

Articles

  • Low Ripple Micropower SOT-23 Buck Regulator with Integrated Boost and Catch Diodes Accepts Inputs to 40V &mdash LT Journal
    PDF, 434 Kb, File published: Mar 28, 2006
    Extract from the document

Model Line

Manufacturer's Classification

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