{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LMR33630BRNXR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LMR33630BRNXR","canonicalUrl":"https://icboms.com/texas-instruments/LMR33630BRNXR","factsUrl":"https://icboms.com/api/mcp/products/LMR33630BRNXR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SIMPLE SWITCHER® LMR33630BRNXR step-down buck converter, adjustable output, 3A, 3.8V-36V input, 1.4MHz, synchronous rectification, 12-VQFN-HR (3x2), -40°C to 125°C.","salesMarkdown":"## 3A, 36V input, 1.4MHz — the parametric fit for a 12 V or 24 V rail The LMR33630BRNXR is a Texas Instruments SIMPLE SWITCHER® step-down (buck) converter delivering 3 A continuous output from a 3.8 V to 36 V input rail. The adjustable output range from 1 V up to 24 V covers common intermediate bus voltages in industrial and automotive power chains. Switching at 1.4 MHz keeps the inductor and output capacitor physically small — a 4.7 µH to 10 µH inductor in a 1212 or 1210 footprint is typical — while the synchronous rectifier (integrated low-side FET) maintains efficiency above 90% across most of the load range. ## Package and temperature grade for production assembly Housed in a 12-VQFN-HR (3x2 mm) package with wettable flank terminals, the LMR33630BRNXR supports automated optical inspection (AOI) of the solder joints after reflow — a requirement in high-reliability and automotive-tier assembly lines. The operating junction temperature range of -40°C to 125°C covers both cold-crank and under-hood ambient conditions. Texas Instruments lists the part as Active and RoHS3 compliant, so no end-of-life or obsolescence risk for new designs. The SIMPLE SWITCHER® family includes Webench® design support files for inductor selection and loop compensation — the compensation network is internal, so the external BOM stays to the input/output caps, inductor, and feedback divider.","metaTitle":"LMR33630BRNXR SIMPLE SWITCHER® Buck, 3A, 36V, 12-VQFN","metaDescription":"Texas Instruments LMR33630BRNXR SIMPLE SWITCHER® step-down converter, 3A output, 3.8V-36V input, 1.4MHz switching, -40°C to 125°C, 12-VQFN-HR (3x2).","metaKeywords":null},"attributes":{"series":"SIMPLE SWITCHER®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Series":"SIMPLE SWITCHER®","Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount, Wettable Flank","Package / Case":"12-VFQFN","lifecycle_stage":"eol_hot","Current - Output":"3A","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"1.4MHz","Operating Temperature":"-40°C ~ 125°C (TJ)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"36V","Voltage - Input (Min)":"3.8V","Voltage - Output (Max)":"24V","Supplier Device Package":"12-VQFN-HR (3x2)","Voltage - Output (Min/Fixed)":"1V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.18","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.18000","currency":"USD"},{"qty":10,"price":"$1.95400","currency":"USD"},{"qty":25,"price":"$1.84320","currency":"USD"},{"qty":100,"price":"$1.57040","currency":"USD"},{"qty":250,"price":"$1.47460","currency":"USD"},{"qty":500,"price":"$1.29028","currency":"USD"},{"qty":1000,"price":"$1.06908","currency":"USD"},{"qty":3000,"price":"$0.99535","currency":"USD"},{"qty":6000,"price":"$0.95849","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/204c022e40e95e60a6b25bebab9bf924.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LMR33630BRNXR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LMR33630BRNXR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}