LTC1773

PRODUCTION

Synchronous Step-Down DC/DC Controller

Data Sheet Product Selection Table

Part Models: 2
1ku List Price: Starting From $3.15

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Part Details

High Efficiency: Up to 95%
Constant Frequency 550kHz Operation
V_IN from 2.65V to 8.5V
V_OUT from 0.8V to V_IN
OPTI-LOOP^® Compensation Minimizes C_OUT
Synchronizable up to 750kHz
Selectable Burst Mode Operation
Low Quiescent Current: 80µA
Low Dropout Operation: 100% Duty Cycle
Secondary Winding Regulation
Soft-Start
Current Mode Operation for Excellent Line and Load Transient Response
Low Quiescent Current: 80µA
Low Shutdown I_Q = 10µA
±1.5% Reference Accuracy
Precision 2.5V Undervoltage Lockout
Available in 10-Lead MSOP

Part Models: 2
1ku List Price: Starting From $3.15

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
LTC1773EMS#PBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1773EMS#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 5, 2024 - 24_0004 Epoxy Change from Henkel 8290 to 8290A for MSOP (3)
		PCN24_0004_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC1773EMS#PBF	PRODUCTION
LTC1773EMS#TRPBF	PRODUCTION
Feb 4, 2020 - 20_0130 Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0130_Form Material_Report
LTC1773EMS#PBF	PRODUCTION
LTC1773EMS#TRPBF	PRODUCTION

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

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Digital Power System Managers 1
LTC2974	RECOMMENDED FOR NEW DESIGNS	4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Multiple Output Buck Regulators 1
LTC3880	RECOMMENDED FOR NEW DESIGNS	Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Silicon Oscillators 2
LTC6908		Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
LTC6909	PRODUCTION	1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC1773

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.