Datasheet Linear Technology LT3972

ManufacturerLinear Technology
SeriesLT3972

33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75µA Quiescent Current

Datasheets

Datasheet LT3972
PDF, 346 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75μA Quiescent Current
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Prices

Packaging

LT3972EDD#PBFLT3972EDD#TRPBFLT3972EMSE#PBFLT3972EMSE#TRPBFLT3972HMSE#PBFLT3972HMSE#TRPBFLT3972IDD#PBFLT3972IDD#TRPBFLT3972IMSE#PBFLT3972IMSE#TRPBF
N12345678910
Package3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
3x3 DFN-10
Package Outline Drawing
MS-10E
Package Outline Drawing
MS-10E
Package Outline Drawing
Package CodeDDDDMSEMSEMSEMSEDDDDMSEMSE
Package Index05-08-169905-08-169905-08-166405-08-166405-08-166405-08-166405-08-169905-08-169905-08-166405-08-1664
Pin Count10101010101010101010

Parametrics

Parameters / ModelsLT3972EDD#PBFLT3972EDD#TRPBFLT3972EMSE#PBFLT3972EMSE#TRPBFLT3972HMSE#PBFLT3972HMSE#TRPBFLT3972IDD#PBFLT3972IDD#TRPBFLT3972IMSE#PBFLT3972IMSE#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 BoardsDC1458ADC1458ADC1458ADC1458ADC1458ADC1458ADC1458ADC1458ADC1458ADC1458A
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
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power GoodBurst Mode, Resistor Set Frequency, External Synchronization, Power Good
Frequency, kHz2400240024002400240024002400240024002400
Frequency Adjust Range250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz250kHz - 2.4MHz
Frequency Sync Range250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz250kHz - 2MHz
Integrated Inductornononononononononono
Ishutdown, µA1111111111
Isupply, mA0.030.030.030.030.030.030.030.030.030.03
Max Phases1111111111
Monolithicyesyesyesyesyesyesyesyesyesyes
Number of Outputs1111111111
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, A3.53.53.53.53.53.53.53.53.53.5
Over Voltage Protection, V62626262626262626262
Polyphasenononononononononono
Switch Current, A5.45.45.45.45.45.45.45.45.45.4
Synchronousnononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V33333333333333333333
Vin Min, V3.63.63.63.63.63.63.63.63.63.6
Vout Max, V30303030303030303030
Vout Maximum30V30V30V30V30V30V30V30V30V30V
Vout Min, V0.790.790.790.790.790.790.790.790.790.79

Eco Plan

LT3972EDD#PBFLT3972EDD#TRPBFLT3972EMSE#PBFLT3972EMSE#TRPBFLT3972HMSE#PBFLT3972HMSE#TRPBFLT3972IDD#PBFLT3972IDD#TRPBFLT3972IMSE#PBFLT3972IMSE#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > 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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