Datasheet Linear Technology LT3800

ManufacturerLinear Technology
SeriesLT3800

High-Voltage Synchronous Current Mode Step-Down Controller

Datasheets

Datasheet LT3800
PDF, 265 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
High-Voltage Synchronous Current Mode Step-Down Controller
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Prices

Packaging

LT3800EFE#PBFLT3800EFE#TRPBFLT3800IFE#PBFLT3800IFE#TRPBF
N1234
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
Package CodeFEFEFEFE
Package Index05-08-1663 (BC)05-08-1663 (BC)05-08-1663 (BC)05-08-1663 (BC)
Pin Count16161616

Parametrics

Parameters / ModelsLT3800EFE#PBFLT3800EFE#TRPBFLT3800IFE#PBFLT3800IFE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC720ADC720ADC720ADC720A
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnononono
FeaturesBurst ModeBurst ModeBurst ModeBurst Mode
Frequency, kHz200200200200
Integrated Inductornononono
Ishutdown, µA20202020
Isupply, mA3333
Max Phases1111
Monolithicnononono
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Output Current, A15151515
Polyphasenononono
Sense ResistorRsenseRsenseRsenseRsense
Switch Current, A20202020
Synchronousyesyesyesyes
TopologyBuck, InvertingBuck, InvertingBuck, InvertingBuck, Inverting
Vin Max, V60606060
Vin Min, V4444
Vout Max, V36363636
Vout Maximum36V36V36V36V
Vout Min, V1.2311.2311.2311.231
Vref Accuracy Over Temp, %1111
Vswitch Max, V80808080

Eco Plan

LT3800EFE#PBFLT3800EFE#TRPBFLT3800IFE#PBFLT3800IFE#TRPBF
RoHSCompliantCompliantCompliantCompliant

Design Notes

  • High Voltage Current Mode Step-Down Converter with Low Power Standby Capability &mdash DN383
    PDF, 126 Kb, File published: Dec 22, 2005
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Articles

  • High Voltage Step-Down Synchronous Controller Offers Single-Supply Operation, Current Mode Control, and 100µA Burst Mode Operation &mdash LT Journal
    PDF, 533 Kb, File published: Mar 25, 2005
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Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | External Power Switch Buck Controllers
EMS supplier