LT1072

PRODUCTION

1.25A High Efficiency Switching Regulator

Data Sheet Product Selection Table

Part Models: 11
1ku List Price: Starting From $3.15

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Part Details

Available in MiniDIP, TO-220, and TO-3 Packages
Wide Input Voltage Range: 3V to 60V
Low Quiescent Current: 6mA
Internal 1.25A Switch
Very Few External Parts Required
Self-Protected Against Overloads
Operates in Nearly All Switching Topologies
Shutdown Mode Draws Only 50µA Supply Current
Flyback-Regulated Mode has Fully Floating Outputs
Can be Externally Synchronized

Part Models: 11
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
LT1072CN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CSW#PBF	16-Lead SOIC (Wide 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CSW#TRPBF	16-Lead SOIC (Wide 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CT#06PBF	5-Lead TO-220 (Flow 06)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072CT#PBF	5-Lead TO-220	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072HVCT#PBF	5-Lead TO-220	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072HVIT#PBF	5-Lead TO-220	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072IN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1072IT#PBF	5-Lead TO-220	Material Declaration Reliablity Data	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
LT1072CN8#PBF	PRODUCTION
LT1072IN8#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
LT1072CN8#PBF	PRODUCTION
LT1072IN8#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
LT1072CN8#PBF	PRODUCTION
LT1072IN8#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
LT1072CS8#PBF	PRODUCTION
LT1072CS8#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
LT1072CS8#PBF	PRODUCTION
LT1072CS8#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
LT1072CS8#PBF	PRODUCTION
LT1072CS8#TRPBF	PRODUCTION
Aug 10, 2022 - 22_0176 Laser Top Mark Conversion for SOIC_W Packages Assembled in ADPG [PNG] and UTL
		PCN22_0176_Form Material_Report Delta Qualification Matrix
LT1072CSW#PBF	PRODUCTION
LT1072CSW#TRPBF	PRODUCTION
Aug 10, 2022 - 22_0175 Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark
		PCN22_0175_Form Material_Report Delta Qualification Matrix
LT1072CT#06PBF	PRODUCTION
LT1072CT#PBF	PRODUCTION
LT1072HVCT#PBF	PRODUCTION
LT1072HVIT#PBF	PRODUCTION
LT1072IT#PBF	PRODUCTION

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

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Tools & Simulations

LTspice 1

LT1072HV Demo Circuit - 1.25A High Efficiency Switching Regulator (5V to 12V @ 350mA)

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LT1072
LT1072HV

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Application Note 7

Design Note 5