LT1507

PRODUCTION

500kHz Monolithic Buck Mode Switching Regulator

Data Sheet Product Selection Table

Part Models: 12
1ku List Price: Starting From $4.31

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Part Details

Constant 500kHz Switching Frequency
Uses All Surface Mount Components
Operates with Inputs as Low as 4V
Saturated Switch Design (0.3Ω)
Cycle-by-Cycle Current Limiting
Easily Synchronizable
Inductor Size as Low as 2µH
Shutdown Current: 20µA

Part Models: 12
1ku List Price: Starting From $4.31

Documentation

Data Sheet 1

LT1507: 500kHz Monolithic Buck Mode Switching Regulator Data Sheet 08/29/2007

Reliability Data 1

R386 Reliability Data 03/22/2018

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
LT1507CN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507CN8-3.3#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507CS8-3.3#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507CS8-3.3#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IN8-3.3#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IS8-3.3#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1507IS8-3.3#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	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
LT1507CN8#PBF	PRODUCTION
LT1507CN8-3.3#PBF	PRODUCTION
LT1507IN8#PBF	PRODUCTION
LT1507IN8-3.3#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
LT1507CN8#PBF	PRODUCTION
LT1507CN8-3.3#PBF	PRODUCTION
LT1507IN8#PBF	PRODUCTION
LT1507IN8-3.3#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
LT1507CN8#PBF	PRODUCTION
LT1507CN8-3.3#PBF	PRODUCTION
LT1507IN8#PBF	PRODUCTION
LT1507IN8-3.3#PBF	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
LT1507CS8#PBF	PRODUCTION
LT1507CS8#TRPBF	PRODUCTION
LT1507CS8-3.3#PBF	PRODUCTION
LT1507CS8-3.3#TRPBF	PRODUCTION
LT1507IS8#PBF	PRODUCTION
LT1507IS8#TRPBF	PRODUCTION
LT1507IS8-3.3#PBF	PRODUCTION
LT1507IS8-3.3#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
LT1507CS8#PBF	PRODUCTION
LT1507CS8#TRPBF	PRODUCTION
LT1507CS8-3.3#PBF	PRODUCTION
LT1507CS8-3.3#TRPBF	PRODUCTION
LT1507IS8#PBF	PRODUCTION
LT1507IS8#TRPBF	PRODUCTION
LT1507IS8-3.3#PBF	PRODUCTION
LT1507IS8-3.3#TRPBF	PRODUCTION

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

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Tools & Simulations

LTspice 1

LT1507 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

LT1507
LT1507-3.3

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.