{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM60440DRPKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM60440DRPKR","canonicalUrl":"https://icboms.com/texas-instruments/LM60440DRPKR","factsUrl":"https://icboms.com/api/mcp/products/LM60440DRPKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM60440DRPKR step-down buck converter, adjustable output, 4 A, 3.8 V to 36 V input, 1 MHz switching, 13-PowerWFQFN package, wettable flank.","salesMarkdown":"## Active production, 4 A step-down for 36 V rails The Texas Instruments LM60440DRPKR is a current-production step-down buck converter delivering 4 A from a 3.8 V to 36 V input rail — a single-chip solution for 12 V, 24 V, or intermediate bus architectures where the load pulls up to 4 A and the output needs to be set anywhere from 1 V to 24 V. ## What the 150°C junction rating means for the thermal budget The operating junction temperature range spans -40°C to 150°C, which is the full automotive-grade envelope — the part can sit next to a hot power stage or in an enclosure that sees 85°C ambient and still have 65°C of headroom before hitting the absolute maximum. ## Package and board-fit: wettable-flank WQFN The 13-PowerWFQFN package (3 mm × 2 mm, 0.5 mm pitch) uses a wettable-flank terminal finish — the side of each pad is plated so that an AOI system can verify solder-joint wetting after reflow, which is a requirement for automotive and high-reliability assemblies where hidden QFN joints are otherwise invisible. ## Sourcing and compliance The device is ROHS3 Compliant, meaning it meets the EU RoHS directive with no exemptions for lead in solder or other restricted substances — no additional documentation is needed for CE-marked equipment shipped into the European market.","metaTitle":"LM60440DRPKR Texas Instruments Buck Converter, 4A, 36V","metaDescription":"Texas Instruments LM60440DRPKR step-down buck converter, 4A output, 3.8V-36V input, 1MHz switching, 150°C TJ. Active production, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount, Wettable Flank","Package / Case":"13-PowerWFQFN","lifecycle_stage":"eol_hot","Current - Output":"4A","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"1MHz","Operating Temperature":"-40°C ~ 150°C (TJ)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"36V","Voltage - Input (Min)":"3.8V","Voltage - Output (Max)":"24V","Supplier Device Package":"13-WQFN-HR (3x2)","Voltage - Output (Min/Fixed)":"1V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.69","priceTiers":[{"qty":1,"price":"$2.69000","currency":"USD"},{"qty":10,"price":"$2.41700","currency":"USD"},{"qty":25,"price":"$2.28000","currency":"USD"},{"qty":100,"price":"$1.94260","currency":"USD"},{"qty":250,"price":"$1.82408","currency":"USD"},{"qty":500,"price":"$1.59606","currency":"USD"},{"qty":1000,"price":"$1.32244","currency":"USD"},{"qty":3000,"price":"$1.23124","currency":"USD"},{"qty":6000,"price":"$1.18564","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8b8272459cf4b4eb359a3c4ab80933ee.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM60440DRPKR/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM60440DRPKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM60440DRPKR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}