Datasheet Linear Technology LTC3121

ManufacturerLinear Technology
SeriesLTC3121

15V, 1.5A Synchronous Step-Up DC/DC Converter with Output Disconnect

Datasheets

Datasheet LTC3121
PDF, 973 Kb, Language: en, File uploaded: Sep 20, 2017, Pages: 26
15V, 1.5A Synchronous Step-Up DC/DC Converter with Output Disconnect
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Packaging

LTC3121EDE#PBFLTC3121EDE#TRPBFLTC3121IDE#PBFLTC3121IDE#TRPBF
N1234
Package4x3 DFN-12
Package Outline Drawing
4x3 DFN-12
Package Outline Drawing
4x3 DFN-12
Package Outline Drawing
4x3 DFN-12
Package Outline Drawing
Package CodeDE/UEDE/UEDE/UEDE/UE
Package Index05-08-169505-08-169505-08-169505-08-1695
Pin Count12121212

Parametrics

Parameters / ModelsLTC3121EDE#PBFLTC3121EDE#TRPBFLTC3121IDE#PBFLTC3121IDE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2372ADC2372ADC2372ADC2372A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononono
FeaturesBurst Mode, Output Disconnect, Resistor Set Frequency, External SynchronizationBurst Mode, Output Disconnect, Resistor Set Frequency, External SynchronizationBurst Mode, Output Disconnect, Resistor Set Frequency, External SynchronizationBurst Mode, Output Disconnect, Resistor Set Frequency, External Synchronization
Frequency, kHz3000300030003000
Frequency Adjust RangeUp to 3MHzUp to 3MHzUp to 3MHzUp to 3MHz
Frequency Sync RangeUp to 3MHzUp to 3MHzUp to 3MHzUp to 3MHz
Integrated Inductornononono
Ishutdown, µA0.010.010.010.01
Isupply, mA0.0250.0250.0250.025
Monolithicyesyesyesyes
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Polyphasenononono
Switch Current, A1.81.81.81.8
Synchronousyesyesyesyes
TopologyBoostBoostBoostBoost
Vin Max, V5.55.55.55.5
Vin Min, V0.50.50.50.5
Vin Min Startup, V1.71.71.71.7
Vout Max, V15151515
Vout Maximum15V15V15V15V
Vout Min, V2.22.22.22.2
Vref Accuracy Over Temp, %1.91.91.91.9
Vswitch Max, V18181818

Eco Plan

LTC3121EDE#PBFLTC3121EDE#TRPBFLTC3121IDE#PBFLTC3121IDE#TRPBF
RoHSCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Up (Boost) Regulators > Micropower Boost | Internal Power Switch Boost
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