{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"A7985ATR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"A7985ATR","canonicalUrl":"https://icboms.com/stmicroelectronics/A7985ATR","factsUrl":"https://icboms.com/api/mcp/products/A7985ATR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics A7985ATR, Automotive AEC-Q100, Step-Down Buck Regulator, Adjustable Output, 2A, 250kHz, 8-SOIC Exposed Pad, -40°C to 150°C.","salesMarkdown":"## Key ratings and what they mean for the BOM The 2A output rating is continuous — the thermal pad needs a solid copper pour and vias to keep junction temperature under control at full load; a layout skimpy on copper will current-limit or thermally cycle before 2A. ## Package and rework considerations The exposed pad package is a rework-friendly footprint — the leads are visible and accessible with a hot-air station, and the exposed pad underneath gives you a thermal path to the board. ## Lifecycle and sourcing The A7985ATR is listed as Active in production and ROHS3 compliant.","metaTitle":"A7985ATR Automotive Buck Regulator, 2A, 38V Input, AEC-Q100","metaDescription":"STMicroelectronics A7985ATR is an AEC-Q100 qualified 2A step-down buck regulator in 8-SOIC exposed pad. 38V max input, 250kHz switching, -40°C to 150°C.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q100","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Series":"Automotive, AEC-Q100","Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width) Exposed Pad","lifecycle_stage":"eol_hot","Current - Output":"2A","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"250kHz","Operating Temperature":"-40°C ~ 150°C (TJ)","Synchronous Rectifier":"No","Voltage - Input (Max)":"38V","Voltage - Input (Min)":"4.5V","Voltage - Output (Max)":"38V","Supplier Device Package":"8-HSOP-EP","Voltage - Output (Min/Fixed)":"0.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.77","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.77000","currency":"USD"},{"qty":10,"price":"$2.48600","currency":"USD"},{"qty":25,"price":"$2.34480","currency":"USD"},{"qty":100,"price":"$1.99790","currency":"USD"},{"qty":250,"price":"$1.87596","currency":"USD"},{"qty":500,"price":"$1.64148","currency":"USD"},{"qty":1000,"price":"$1.36008","currency":"USD"},{"qty":2500,"price":"$1.26628","currency":"USD"},{"qty":5000,"price":"$1.21938","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/a883362d4e06f33363055f2f5f347827.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the A7985ATR AEC-Q100 qualified for automotive use?","answer":"Yes, the A7985ATR is part of the Automotive, AEC-Q100 series, meaning it is qualified for automotive applications including under-hood and chassis-domain environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/A7985ATR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/A7985ATR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-13T20:47:16.093Z","lastPublished":"2026-07-13T20:47:16.093Z","indexable":true}}