Datasheet Linear Technology LTC3569

ManufacturerLinear Technology
SeriesLTC3569

Triple Buck Regulator with 1.2A and Two 600mA Outputs and Individual Programmable References

Datasheets

Datasheet LTC3569
PDF, 399 Kb, Language: en, File uploaded: Sep 22, 2017, Pages: 26
Triple Buck Regulator with 1.2A and Two 600mA Outputs and Individual Programmable References
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Prices

Packaging

LTC3569EFE#PBFLTC3569EFE#TRPBFLTC3569EUD#PBFLTC3569EUD#TRPBFLTC3569EUDC#PBFLTC3569EUDC#TRPBFLTC3569IFE#PBFLTC3569IFE#TRPBFLTC3569IUD#PBFLTC3569IUD#TRPBFLTC3569IUDC#PBFLTC3569IUDC#TRPBF
N123456789101112
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
3x3 QFN-20
Package Outline Drawing
3x3 QFN-20
Package Outline Drawing
3x4 QFN-20
Package Outline Drawing
3x4 QFN-20
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
3x3 QFN-20
Package Outline Drawing
3x3 QFN-20
Package Outline Drawing
3x4 QFN-20
Package Outline Drawing
3x4 QFN-20
Package Outline Drawing
Package CodeFEFEUDUDUDCUDCFEFEUDUDUDCUDC
Package Index05-08-1663 (BA)05-08-1663 (BA)05-08-172005-08-172005-08-174205-08-174205-08-1663 (BA)05-08-1663 (BA)05-08-172005-08-172005-08-174205-08-1742
Pin Count161620202020161620202020

Parametrics

Parameters / ModelsLTC3569EFE#PBFLTC3569EFE#TRPBFLTC3569EUD#PBFLTC3569EUD#TRPBFLTC3569EUDC#PBFLTC3569EUDC#TRPBFLTC3569IFE#PBFLTC3569IFE#TRPBFLTC3569IUD#PBFLTC3569IUD#TRPBFLTC3569IUDC#PBFLTC3569IUDC#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 ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340ADC1340A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononononononononononono
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty CycleBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, 100% Duty Cycle
Frequency, kHz225022502250225022502250225022502250225022502250
Frequency Adjust Range1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz
Frequency Sync Range1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz1.2MHz - 3MHz
Integrated Inductornononononononononononono
Ishutdown, µA0.10.10.10.10.10.10.10.10.10.10.10.1
Isupply, mA0.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.022
Max Phases111111111111
Monolithicyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs333333333333
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A1.21.21.21.21.21.21.21.21.21.21.21.2
Output Current 2, A0.60.60.60.60.60.60.60.60.60.60.60.6
Output Current 3, A0.60.60.60.60.60.60.60.60.60.60.60.6
Polyphasenononononononononononono
Switch Current, A222222222222
Switch Current 2, A111111111111
Switch Current 3, A111111111111
Synchronousyesyesyesyesyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 2BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Topology 3BuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V5.55.55.55.55.55.55.55.55.55.55.55.5
Vin Min, V2.52.52.52.52.52.52.52.52.52.52.52.5
Vout Max, V5.55.55.55.55.55.55.55.55.55.55.55.5
Vout Max 2, V5.55.55.55.55.55.55.55.55.55.55.55.5
Vout Max 3, V5.55.55.55.55.55.55.55.55.55.55.55.5
Vout MaximumVinVinVinVinVinVinVinVinVinVinVinVin
Vout Min, V0.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.425
Vout Min 2, V0.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.425
Vout Min 3, V0.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.425
Vref Accuracy Over Temp, %222222222222

Eco Plan

LTC3569EFE#PBFLTC3569EFE#TRPBFLTC3569EUD#PBFLTC3569EUD#TRPBFLTC3569EUDC#PBFLTC3569EUDC#TRPBFLTC3569IFE#PBFLTC3569IFE#TRPBFLTC3569IUD#PBFLTC3569IUD#TRPBFLTC3569IUDC#PBFLTC3569IUDC#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Design Notes

  • Triple Buck Regulator Features 1-Wire Dynamically Programmable Output Voltages &mdash DN459
    PDF, 112 Kb, File published: Jan 20, 2009
    Extract from the document

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | Multiple Output Buck | Micropower Buck Regulators
EMS supplier