LT1776

PRODUCTION

Wide Input Range, High Efficiency, Step-Down Switching Regulator

Data Sheet Product Selection Table

Part Models: 6
1ku List Price: Starting From $3.54

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Part Details

Wide Input Range: 7.4V to 40V
Tolerates Input Transients to 60V
700mA Peak Switch Rating
Adaptive Switch Drive Maintains Efficiency at High Load Without Pulse Skipping at Light Load
True Current Mode Control
200kHz Fixed Operating Frequency
Synchronizable to 400kHz
Low Supply Current in Shutdown: 30µA
Available in 8-Pin SO and PDIP Packages

Part Models: 6
1ku List Price: Starting From $3.54

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
LT1776CN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1776CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1776CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1776IN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1776IS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1776IS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 11, 2022 - 22_0241 Epoxy Change from Henkel 8290 to 8290A for PDIP Package
		PCN22_0241_Form Material_Report Qualification Results Summary
LT1776CN8#PBF	PRODUCTION
LT1776IN8#PBF	PRODUCTION
Aug 6, 2022 - 22_0172 Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG]
		PCN22_0172_Form Material_Report Delta Qualification Matrix
LT1776CN8#PBF	PRODUCTION
LT1776IN8#PBF	PRODUCTION
Oct 12, 2022 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
		PCN22_0255_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1776CS8#PBF	PRODUCTION
LT1776CS8#TRPBF	PRODUCTION
LT1776IS8#PBF	PRODUCTION
LT1776IS8#TRPBF	PRODUCTION
Jun 11, 2021 - 21_0060 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
		PCN21_0060_Form Material_Report Delta Qualification Matrix
LT1776CS8#PBF	PRODUCTION
LT1776CS8#TRPBF	PRODUCTION
LT1776IS8#PBF	PRODUCTION
LT1776IS8#TRPBF	PRODUCTION

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

Hardware Ecosystem

Parts	Product Life Cycle	Description
Oscillators 1
LTC6909	PRODUCTION	1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
Power System Management (PSM) & Sequencers 1
LTC2974	RECOMMENDED FOR NEW DESIGNS	4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Protection Switches & Controllers 1
LT4363	RECOMMENDED FOR NEW DESIGNS	High Voltage Surge Stopper with Current Limit
Switching Regulators & Controllers 1
LTC3880	RECOMMENDED FOR NEW DESIGNS	Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management

Tools & Simulations

LTspice 1

LT1776 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

LT1776

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.