{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM1084IS-3.3/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM1084IS-3.3-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM1084IS-3.3-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM1084IS-3.3%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM1084IS-3.3/NOPB, 3.3V fixed-output LDO, 5A, 1.5V max dropout at full load, 72dB PSRR at 120Hz, TO-263-3 DDPAK, -40°C to 125°C, active.","salesMarkdown":"## What this 3.3 V LDO brings to the bench The Texas Instruments LM1084IS-3.3/NOPB is a 5 A fixed-output low-dropout regulator in a TO-263-3 (DDPAK) surface-mount package. It delivers a regulated 3.3 V rail from an input up to 27 V, with a maximum dropout of 1.5 V at the full 5 A load. The 72 dB PSRR at 120 Hz tells you it will clean up 120 Hz ripple from a rectified supply — useful when you are feeding a sensitive analog or digital rail. Over-current and over-temperature protection are built in, so a shorted load on the output won't cascade into a fire drill. ## Temperature range and where it fits Rated for -40°C to 125°C operating junction temperature, this part is at home in industrial enclosures, engine-bay electronics, or outdoor telecom gear. The TO-263 package has a large exposed pad that transfers heat to the PCB copper — plan a decent thermal land and some vias if you are pulling close to 5 A continuously at high ambient. ## Lifecycle and sourcing The LM1084IS-3.3/NOPB is listed as active with no end-of-life notice. ROHS3 compliant. No official replacement has been announced, so this is the current production part for new designs and repair spares.","metaTitle":"LM1084IS-3.3/NOPB 3.3V 5A LDO Regulator, TO-263, Active","metaDescription":"LM1084IS-3.3/NOPB is a 3.3V fixed-output LDO regulator rated for 5A with 72dB PSRR at 120Hz. Active lifecycle, -40°C to 125°C range.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"PSRR":"72dB (120Hz)","Package":"Tube","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"TO-263-4, D²Pak (3 Leads + Tab), TO-263AA","lifecycle_stage":"eol_hot","Current - Output":"5A","Protection Features":"Over Current, Over Temperature","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C","Voltage - Input (Max)":"27V","Voltage Dropout (Max)":"1.5V @ 5A","Supplier Device Package":"DDPAK/TO-263-3","Current - Quiescent (Iq)":"10 mA","Voltage - Output (Min/Fixed)":"3.3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.65","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.65000","currency":"USD"},{"qty":10,"price":"$3.27500","currency":"USD"},{"qty":25,"price":"$3.09560","currency":"USD"},{"qty":100,"price":"$2.68300","currency":"USD"},{"qty":250,"price":"$2.54536","currency":"USD"},{"qty":500,"price":"$2.28396","currency":"USD"},{"qty":1000,"price":"$1.94700","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/70523fd52db62ce76fb2b09f9ba0eb3b.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can I use LM1084IS-3.3/NOPB in high-temperature applications?","answer":"Yes, the operating junction temperature range is -40°C to 125°C, making it suitable for industrial, automotive under-hood, and outdoor telecom environments."},{"question":"What is LM1084IS-3.3/NOPB's listed PSRR?","answer":"The PSRR is 72 dB at 120 Hz. That is the ripple-rejection figure at the fundamental frequency of a full-wave rectified line supply — good for cleaning up hum on analog rails."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM1084IS-3.3-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM1084IS-3.3-NOPB when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}