Datasheet Linear Technology LTC3545

ManufacturerLinear Technology
SeriesLTC3545

Triple 800mA Synchronous Step-Down Regulator - 2.25MHz

Datasheets

Datasheet LTC3545, LTC3545-1
PDF, 305 Kb, Language: en, File uploaded: Sep 21, 2017, Pages: 20
Triple 800mA Synchronous Step-Down Regulator - 2.25MHz
Docket

Prices

Packaging

LTC3545EUD#PBFLTC3545EUD#TRPBFLTC3545IUD#PBFLTC3545IUD#TRPBF
Package3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
Package CodeUDUDUDUD
Package Index05-08-170005-08-170005-08-170005-08-1700
Pin Count16161616

Parametrics

Parameters / ModelsLTC3545EUD#PBFLTC3545EUD#TRPBFLTC3545IUD#PBFLTC3545IUD#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1193A-A,DC1193A-BDC1193A-A,DC1193A-BDC1193A-A,DC1193A-BDC1193A-A,DC1193A-B
Design ToolsLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononono
FeaturesBurst Mode, External Synchronization, Power Good, 100% Duty CycleBurst Mode, External Synchronization, Power Good, 100% Duty CycleBurst Mode, External Synchronization, Power Good, 100% Duty CycleBurst Mode, External Synchronization, Power Good, 100% Duty Cycle
Frequency, kHz2250225022502250
Frequency Sync Range1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz1MHz - 3MHz
Integrated Inductornononono
Ishutdown, µA0.10.10.10.1
Isupply, mA0.0580.0580.0580.058
Max Phases1111
Monolithicyesyesyesyes
Number of Outputs3333
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Output Current, A0.80.80.80.8
Output Current 2, A0.80.80.80.8
Output Current 3, A.8.8.8.8
Polyphasenononono
Switch Current, A1.31.31.31.3
Switch Current 2, A1.31.31.31.3
Switch Current 3, A1.31.31.31.3
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Topology 1BuckBuckBuckBuck
Topology 2BuckBuckBuckBuck
Topology 3BuckBuckBuckBuck
Vin Max, V5.55.55.55.5
Vin Min, V2.252.252.252.25
Vout Max, V5.55.55.55.5
Vout Max 2, V5.55.55.55.5
Vout Max 3, V5.55.55.55.5
Vout MaximumVinVinVinVin
Vout Min, V0.60.60.60.6
Vout Min 2, V0.60.60.60.6
Vout Min 3, V0.60.60.60.6
Vref Accuracy Over Temp, %2222

Eco Plan

LTC3545EUD#PBFLTC3545EUD#TRPBFLTC3545IUD#PBFLTC3545IUD#TRPBF
RoHSCompliantCompliantCompliantCompliant

Other Options

LTC3545-1 LTC3545-1

Model Line

Manufacturer's Classification