Datasheet Linear Technology LTC3546IUFD#TRPBF

ManufacturerLinear Technology
SeriesLTC3546
Part NumberLTC3546IUFD#TRPBF

Dual Synchronous, 3A/1A or 2A/2A Configurable Step-Down DC/DC Regulator

Datasheets

Datasheet LTC3546
PDF, 624 Kb, Language: en, File uploaded: Mar 27, 2018, Pages: 30
Dual Synchronous, 3A/1A or 2A/2A Configurable Step-Down DC/DC Regulator
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Prices

Packaging

Package4x5 QFN-28
Package CodeUFD
Package Index05-08-1712

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1086A,DC1087A
Design ToolsLTspice File
Export Controlno
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Power Good, Tracking, 100% Duty Cycle
Frequency2250 kHz
Frequency Adjust Range750kHz - 4MHz
Frequency Sync Range750kHz - 4MHz
Integrated Inductorno
Ishutdown0.2 µA
Isupply0.16 mA
Max Phases1
Monolithicyes
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current2 A
Output Current 22 A
Polyphaseno
Switch Current3.2 A
Switch Current 23.2 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max5.5 V
Vin Min2.25 V
Vout Max5 V
Vout Max 25 V
Vout MaximumVin
Vout Min0.6 V
Vout Min 20.8 V

Eco Plan

RoHSCompliant

Design Notes

  • Dual Output Buck Regulator with Current Partitioning Optimizes Efficiency in Space-Sensitive Applications &mdash DN460
    PDF, 79 Kb, File published: Feb 24, 2009
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Model Line

Manufacturer's Classification

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

Other Names:

LTC3546IUFDTRPBF, LTC3546IUFD TRPBF

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