Datasheet Linear Technology LTC3853

ManufacturerLinear Technology
SeriesLTC3853

Triple Output, Multiphase Synchronous Step-Down Controller

Datasheets

Datasheet PDF, 763 Kb, File uploaded: Sep 23, 2017
LTC3853: Triple Output, Multiphase Synchronous Step-Down Controller Data Sheet
Docket

Prices

Packaging

LTC3853EUJ#PBFLTC3853EUJ#TRPBFLTC3853HUJ#PBFLTC3853HUJ#TRPBFLTC3853IUJ#PBFLTC3853IUJ#TRPBFLTC3853MPUJ#PBFLTC3853MPUJ#TRPBF
Package6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
6x6 QFN-40
Package Outline Drawing
Package CodeUJUJUJUJUJUJUJUJ
Package Index05-08-172805-08-172805-08-172805-08-172805-08-172805-08-172805-08-172805-08-1728
Pin Count4040404040404040

Parametrics

LTC3853EUJ#PBFLTC3853EUJ#TRPBFLTC3853HUJ#PBFLTC3853HUJ#TRPBFLTC3853IUJ#PBFLTC3853IUJ#TRPBFLTC3853MPUJ#PBFLTC3853MPUJ#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 Mode
Demo BoardsDC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349ADC1254A,DC1349A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononononononono
FeaturesPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, TrackingPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, Tracking
Frequency, kHz500500500500500500500500
Frequency Adjust Range250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz
Frequency Sync Range250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz250kHz - 750kHz
Integrated Inductornononononononono
Ishutdown, µA4242424242424242
Isupply, mA4.14.14.14.14.14.14.14.1
Max Phases33333333
Monolithicnononononononono
Number of Outputs33333333
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-55 to 125-55 to 125
Output Current, A2525252525252525
Output Current 2, A2525252525252525
Output Current 3, A2525252525252525
Polyphaseyesyesyesyesyesyesyesyes
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A2525252525252525
Switch Current 2, A2525252525252525
Switch Current 3, A2525252525252525
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuck
Topology 3BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V2424242424242424
Vin Min, V4.54.54.54.54.54.54.54.5
Vout Max, V13.513.513.513.513.513.513.513.5
Vout Max 2, V13.513.513.513.513.513.513.513.5
Vout Max 3, V13.513.513.513.513.513.513.513.5
Vout Maximum13.5V13.5V13.5V13.5V13.5V13.5V13.5V13.5V
Vout Min, V0.80.80.80.80.80.80.80.8
Vout Min 2, V0.80.80.80.80.80.80.80.8
Vout Min 3, V0.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %11111111

Eco Plan

LTC3853EUJ#PBFLTC3853EUJ#TRPBFLTC3853HUJ#PBFLTC3853HUJ#TRPBFLTC3853IUJ#PBFLTC3853IUJ#TRPBFLTC3853MPUJ#PBFLTC3853MPUJ#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

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