Datasheet Linear Technology LT3509

ManufacturerLinear Technology
SeriesLT3509

Dual 36V, 700mA Step-Down Regulator

Datasheets

Datasheet LT3509
PDF, 328 Kb, Language: en, File uploaded: Sep 18, 2017, Pages: 24
Dual 36V, 700mA Step-Down Regulator
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Prices

Packaging

LT3509EDE#PBFLT3509EDE#TRPBFLT3509EMSE#PBFLT3509EMSE#TRPBFLT3509HMSE#PBFLT3509HMSE#TRPBFLT3509IDE#PBFLT3509IDE#TRPBFLT3509IMSE#PBFLT3509IMSE#TRPBF
N12345678910
Package4x3 DFN-14
Package Outline Drawing
4x3 DFN-14
Package Outline Drawing
MS-16E
Package Outline Drawing
MS-16E
Package Outline Drawing
MS-16E
Package Outline Drawing
MS-16E
Package Outline Drawing
4x3 DFN-14
Package Outline Drawing
4x3 DFN-14
Package Outline Drawing
MS-16E
Package Outline Drawing
MS-16E
Package Outline Drawing
Package CodeDEDEMSEMSEMSEMSEDEDEMSEMSE
Package Index05-08-170805-08-170805-08-166705-08-166705-08-166705-08-166705-08-170805-08-170805-08-166705-08-1667
Pin Count14141616161614141616

Parametrics

Parameters / ModelsLT3509EDE#PBFLT3509EDE#TRPBFLT3509EMSE#PBFLT3509EMSE#TRPBFLT3509HMSE#PBFLT3509HMSE#TRPBFLT3509IDE#PBFLT3509IDE#TRPBFLT3509IMSE#PBFLT3509IMSE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1248ADC1248ADC1248ADC1248ADC1248ADC1248ADC1248ADC1248ADC1248ADC1248A
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnononononononononono
FeaturesOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External SynchronizationOvervoltage Protection, Resistor Set Frequency, External Synchronization
Frequency, kHz2200220022002200220022002200220022002200
Frequency Adjust Range300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz
Frequency Sync Range300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz300kHz - 2.2MHz
Integrated Inductornononononononononono
Ishutdown, µA9999999999
Isupply, mA1.91.91.91.91.91.91.91.91.91.9
Max Phases1111111111
Monolithicyesyesyesyesyesyesyesyesyesyes
Number of Outputs2222222222
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A0.70.70.70.70.70.70.70.70.70.7
Output Current 2, A0.70.70.70.70.70.70.70.70.70.7
Over Voltage Protection, V60606060606060606060
Polyphasenononononononononono
Switch Current, A1.41.41.41.41.41.41.41.41.41.4
Switch Current 2, A1.41.41.41.41.41.41.41.41.41.4
Synchronousnononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V36363636363636363636
Vin Min, V3.63.63.63.63.63.63.63.63.63.6
Vout Max, V35.2835.2835.2835.2835.2835.2835.2835.2835.2835.28
Vout Maximum0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin0.98Vin
Vout Min, V0.80.80.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %2222222222

Eco Plan

LT3509EDE#PBFLT3509EDE#TRPBFLT3509EMSE#PBFLT3509EMSE#TRPBFLT3509HMSE#PBFLT3509HMSE#TRPBFLT3509IDE#PBFLT3509IDE#TRPBFLT3509IMSE#PBFLT3509IMSE#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Articles

  • Easy Automotive Power Supplies: Compact Regulator Produces Dual Outputs as Low as 0.8V from 3.6V-36V and is Unfazed by 60V Transients &mdash LT Journal
    PDF, 623 Kb, File published: Jan 1, 2009
    Extract from the document

Model Line

Manufacturer's Classification

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