LT1376

PRODUCTION

1.5A, 500kHz Step-Down Switching Regulators

Data Sheet Product Selection Table

Part Models: 24
1ku List Price: Starting From $4.01

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Part Details

Constant 500kHz Switching Frequency
Uses All Surface Mount Components
Inductor Size Reduced to 5μH
Easily Synchronizable
Saturating Switch Design: 0.4Ω
Effective Supply Current: 2.5mA
Shutdown Current: 20μA
Cycle-by-Cycle Current Limiting

Part Models: 24
1ku List Price: Starting From $4.01

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
LT1376CN8#PBF	PLASTIC DIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CN8-5#PBF	PLASTIC DIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS8#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS8#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS8-5#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376CS8-5#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVCS#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVCS#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVCS8#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVCS8#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVIS#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVIS#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVIS8#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376HVIS8#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IN8#PBF	PLASTIC DIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IN8-5#PBF	PLASTIC DIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS8#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS8#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS8-5#PBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT1376IS8-5#TRPBF	SOIC 150 MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 8, 2024 - 24_0234 Migrating Bottom Trace Code Marking to Top Side Laser Marking for PDIP Package
		PCN24_0234_Form Material_Report Marking Comparison
LT1376CN8#PBF	PRODUCTION
LT1376CN8-5#PBF	PRODUCTION
LT1376IN8#PBF	PRODUCTION
LT1376IN8-5#PBF	PRODUCTION
Oct 11, 2022 - 22_0241 Epoxy Change from Henkel 8290 to 8290A for PDIP Package
		PCN22_0241_Form Material_Report Qualification Results Summary
LT1376CN8#PBF	PRODUCTION
LT1376CN8-5#PBF	PRODUCTION
LT1376IN8#PBF	PRODUCTION
LT1376IN8-5#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
LT1376CN8#PBF	PRODUCTION
LT1376CN8-5#PBF	PRODUCTION
LT1376IN8#PBF	PRODUCTION
LT1376IN8-5#PBF	PRODUCTION
Oct 8, 2024 - 24_0236 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package
		PCN24_0236_Form Material_Report Marking Comparison Delta Qualification Matrix
LT1376CS#PBF	PRODUCTION
LT1376CS#TRPBF	PRODUCTION
LT1376HVCS#PBF	PRODUCTION
LT1376HVCS#TRPBF	PRODUCTION
LT1376HVIS#PBF	PRODUCTION
LT1376HVIS#TRPBF	PRODUCTION
LT1376IS#PBF	PRODUCTION
LT1376IS#TRPBF	PRODUCTION
LT1376IS8#PBF	PRODUCTION
LT1376IS8#TRPBF	PRODUCTION
LT1376IS8-5#PBF	PRODUCTION
LT1376IS8-5#TRPBF	PRODUCTION
Oct 12, 2022 - 22_0252 Epoxy Change from Henkel 8290 to 8290A for 16-Lead SOIC Package
		PCN22_0252_Form Material_Report Qualification Results Summary
LT1376CS#PBF	PRODUCTION
LT1376CS#TRPBF	PRODUCTION
LT1376HVCS#PBF	PRODUCTION
LT1376HVCS#TRPBF	PRODUCTION
LT1376HVIS#PBF	PRODUCTION
LT1376HVIS#TRPBF	PRODUCTION
Aug 6, 2022 - 22_0173 Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]
		PCN22_0173_Form Material_Report Delta Qualification Matrix
LT1376CS#PBF	PRODUCTION
LT1376CS#TRPBF	PRODUCTION
LT1376HVCS#PBF	PRODUCTION
LT1376HVCS#TRPBF	PRODUCTION
LT1376HVIS#PBF	PRODUCTION
LT1376HVIS#TRPBF	PRODUCTION
LT1376IS#PBF	PRODUCTION
LT1376IS#TRPBF	PRODUCTION
LT1376IS8#PBF	PRODUCTION
LT1376IS8#TRPBF	PRODUCTION
Nov 11, 2021 - 21_0060 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
		PCN21_0060_Form Material_Report Delta Qualification Matrix
LT1376CS#PBF	PRODUCTION
LT1376CS#TRPBF	PRODUCTION
LT1376IS#PBF	PRODUCTION
LT1376IS#TRPBF	PRODUCTION
Nov 14, 2022 - 22_0254 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)
		PCN22_0254_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1376CS8#PBF	PRODUCTION
LT1376CS8#TRPBF	PRODUCTION
LT1376CS8-5#PBF	PRODUCTION
LT1376CS8-5#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
LT1376CS8#PBF	PRODUCTION
LT1376CS8#TRPBF	PRODUCTION
LT1376CS8-5#PBF	PRODUCTION
LT1376CS8-5#TRPBF	PRODUCTION
LT1376HVCS8#PBF	PRODUCTION
LT1376HVCS8#TRPBF	PRODUCTION
LT1376HVIS8#PBF	PRODUCTION
LT1376HVIS8#TRPBF	PRODUCTION
LT1376IS8#PBF	PRODUCTION
LT1376IS8#TRPBF	PRODUCTION
LT1376IS8-5#PBF	PRODUCTION
LT1376IS8-5#TRPBF	PRODUCTION
Dec 14, 2023 - 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
LT1376HVCS8#PBF	PRODUCTION
LT1376HVCS8#TRPBF	PRODUCTION
LT1376HVIS8#PBF	PRODUCTION
LT1376HVIS8#TRPBF	PRODUCTION
LT1376IS8#PBF	PRODUCTION
LT1376IS8#TRPBF	PRODUCTION
Oct 12, 2022 - 22_0254 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)
		PCN22_0254_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1376IS#PBF	PRODUCTION
LT1376IS#TRPBF	PRODUCTION
LT1376IS8-5#PBF	PRODUCTION
LT1376IS8-5#TRPBF	PRODUCTION

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

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Tools & Simulations

LTspice 1

LT1376 Demo Circuit - 1.5A, 500kHz Step-Down Switching Regulators (10V to 5V @ 1A)

Models for the following parts are available in LTspice:

LT1376
LT1376-5
LT1376HV

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.

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

Technical Articles 1