Datasheet Linear Technology LTC7149

ManufacturerLinear Technology
SeriesLTC7149

60V, 4A Synchronous Step-Down Regulator for Inverting Outputs

Datasheets

Datasheet LTC7149
PDF, 482 Kb, Language: en, File uploaded: Mar 27, 2018, Pages: 26
60V, 4A Synchronous Step-Down Regulator for Inverting Outputs
Docket

Prices

Packaging

LTC7149EFE#PBFLTC7149EFE#TRPBFLTC7149EUFD#PBFLTC7149EUFD#TRPBFLTC7149IFE#PBFLTC7149IFE#TRPBFLTC7149IUFD#PBFLTC7149IUFD#TRPBF
PackageTSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
4x5 QFN-28
Package Outline Drawing
Package CodeFEFEUFDUFDFEFEUFDUFD
Package Index05-08-1663 (EB)05-08-1663 (EB)05-08-171205-08-171205-08-1663 (EB)05-08-1663 (EB)05-08-171205-08-1712
Pin Count2828282828282828

Parametrics

Parameters / ModelsLTC7149EFE#PBFLTC7149EFE#TRPBFLTC7149EUFD#PBFLTC7149EUFD#TRPBFLTC7149IFE#PBFLTC7149IFE#TRPBFLTC7149IUFD#PBFLTC7149IUFD#TRPBF
ArchitecturePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current ModePeak Current Mode
Demo BoardsDC2354ADC2354ADC2354ADC2354ADC2354ADC2354ADC2354ADC2354A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononononono
FeaturesCurrent Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,Current Source Reference, Burst Mode, Resistor Set Frequency, External Synchronization,
Frequency, kHz30003000300030003000300030003000
Frequency Adjust Range300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz
Frequency Sync Range300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz300kHz to 3MHz
Integrated Inductornononononononono
Ishutdown, µA1818181818181818
Isupply, mA0.440.440.440.440.440.440.440.44
Monolithicyesyesyesyesyesyesyesyes
Number of Outputs11111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A44444444
Polyphasenononononononono
Switch Current, A66666666
Synchronousyesyesyesyesyesyesyesyes
TopologyInvertingInvertingInvertingInvertingInvertingInvertingInvertingInverting
Topology 1InvertingInvertingInvertingInvertingInvertingInvertingInvertingInverting
Vin Max, V6060606060606060
Vin Min, V3.43.43.43.43.43.43.43.4
Vout Max, V2828282828282828
Vout Maximum28V28V28V28V28V28V28V28V
Vref Accuracy Over Temp, %0.80.80.80.80.80.80.80.8
Vswitch Max, V6060606060606060

Eco Plan

LTC7149EFE#PBFLTC7149EFE#TRPBFLTC7149EUFD#PBFLTC7149EUFD#TRPBFLTC7149IFE#PBFLTC7149IFE#TRPBFLTC7149IUFD#PBFLTC7149IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Design Notes

Model Line

Manufacturer's Classification