LTC3546

PRODUCTION

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

Data Sheet Product Selection Table

Part Models: 8
1ku List Price: Starting From $4.48

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Part Details

V_IN Range: 2.25V to 5.5V
V_OUT Range: 0.6V to 5V
Programmable Frequency Operation; 2.25MHz, or Adjustable Between 0.75MHz to 4MHz
Low R_DS(ON) Internal Switches
High Efficiency: Up to 96%
No Schottky Diodes Required
Short-Circuit Protected
Current Mode Operation for Excellent Line and Load Transient Response
Low Ripple Burst Mode Operation (30mV_P-P), I_Q = 160μA
Ultralow Shutdown Current: I_Q < 1μA
Low Dropout Operation: 100% Duty Cycle
Power Good Output For Each Channel
Externally or Internally Programmable Burst Level
External or Internal Soft-Start or Supply Tracking
Available in Thermally Enhanced 28-Lead (4mm × 5mm) QFN and TSSOP Packages

Part Models: 8
1ku List Price: Starting From $4.48

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3546EFE#PBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546EFE#TRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546EUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546EUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546IFE#PBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546IFE#TRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546IUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3546IUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
		PCN22_0068_Form Material_Report Delta Qualification Matrix
LTC3546EFE#PBF	PRODUCTION
LTC3546EFE#TRPBF	PRODUCTION
LTC3546IFE#PBF	PRODUCTION
LTC3546IFE#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

LTC3546

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.