{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM2677SD-ADJ","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM2677SD-ADJ","canonicalUrl":"https://icboms.com/texas-instruments/LM2677SD-ADJ","factsUrl":"https://icboms.com/api/mcp/products/LM2677SD-ADJ","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SIMPLE SWITCHER® LM2677SD-ADJ step-down buck regulator, 5 A output, 260 kHz switching frequency, adjustable output 1.21 V to 37 V, 14-VDFN exposed pad (14-VSON 5x6 mm), surface mount.","salesMarkdown":"## 5 A buck at 260 kHz — the SIMPLE SWITCHER workhorse The LM2677SD-ADJ is a 5 A step-down (buck) regulator from the SIMPLE SWITCHER® family, switching at 260 kHz from an 8 V to 40 V input rail. It is not a synchronous rectifier design — the external catch diode (a Schottky, typically rated for the input voltage and output current) handles the freewheeling current. That diode selection directly sets the efficiency at high duty cycles and the thermal stress at the switch node. ## Package and rework — 14-VSON exposed pad The PCB land pattern should mirror the pad dimensions and connect to a copper plane — the junction-to-board thermal resistance drops significantly with a solid via array under the pad. It will survive a hot-air rework cycle if the board is preheated to 100-120°C; the pad orientation is clear from the chamfered corner on the package outline. Availability and current pricing confirmed at RFQ time.","metaTitle":"LM2677SD-ADJ SIMPLE SWITCHER Buck, 5 A, 260 kHz, 14-VSON","metaDescription":"LM2677SD-ADJ SIMPLE SWITCHER step-down regulator, 5 A output, 260 kHz switching, 8-40 V input, adjustable output, 14-VSON package.","metaKeywords":null},"attributes":{"series":"SIMPLE SWITCHER®","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Series":"SIMPLE SWITCHER®","Package":"Bulk","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"14-VDFN Exposed Pad","lifecycle_stage":"eol_hot","Current - Output":"5A","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"260kHz","Operating Temperature":"-40°C ~ 125°C (TJ)","Synchronous Rectifier":"No","Voltage - Input (Max)":"40V","Voltage - Input (Min)":"8V","Voltage - Output (Max)":"37V","Supplier Device Package":"14-VSON (5x6)","Voltage - Output (Min/Fixed)":"1.21V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.59","priceTiers":[{"qty":84,"price":"$3.59000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/542a030b8c259b8cb08aea87b4a1ab49.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM2677SD-ADJ/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM2677SD-ADJ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM2677SD-ADJ 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}}