{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3370SDX-3621/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3370SDX-3621-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM3370SDX-3621-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM3370SDX-3621%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM3370SDX-3621/NOPB, dual 600 mA step-down buck regulator, fixed 1.5 V and 3.3 V outputs, 2 MHz switching frequency, synchronous rectifier, 16-WSON (5x4) package, -30°C to 85°C operating range.","salesMarkdown":"## Dual 600 mA step-down for portable power rails The LM3370SDX-3621/NOPB from Texas Instruments is a dual-output step-down (buck) regulator that delivers a fixed 1.5 V rail and a fixed 3.3 V rail, each rated for 600 mA. The 2 MHz switching frequency lets the designer use small inductors and ceramic caps, shrinking the total footprint for space-constrained portable gear. ## Input range and temperature grade No official successor or recommended replacement is listed in the product status record. No factory lead time applies; stock is drawn from verified surplus and excess inventory.","metaTitle":"LM3370SDX-3621/NOPB Step-Down Regulator, Dual 600mA, 2MHz","metaDescription":"Texas Instruments LM3370SDX-3621/NOPB dual 600 mA step-down buck regulator, fixed 1.5 V/3.3 V outputs, 2 MHz switching, 16-WSON.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR)","Function":"Step-Down","Topology":"Buck","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"16-WFDFN Exposed Pad","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Current - Output":"600mA","Number of Outputs":"2","Base Product Number":"LM3370","Output Configuration":"Positive","Frequency - Switching":"2MHz","Operating Temperature":"-30°C~85°C(TA)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"5.5V","Voltage - Input (Min)":"2.7V","Voltage - Output (Max)":"-","Supplier Device Package":"16-WSON (5x4)","Voltage - Output (Min/Fixed)":"1.5V, 3.3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d36e07764e9d1dcd8a4da3b5c605c8b2.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3370SDX-3621%2FNOPB/alternatives.json"},"ai":{"faq":[{"question":"Is LM3370SDX-3621/NOPB obsolete?","answer":"Yes, the product status is listed as Obsolete. No factory lead time or last-time-buy window applies; supply is limited to surplus and excess inventory in the independent channel."},{"question":"What is the function and typical application of this part?","answer":"It is a dual step-down (buck) regulator with fixed 1.5 V and 3.3 V outputs, each rated 600 mA. Typical applications include powering dual-rail portable devices such as media players, handheld instruments, and battery-powered IoT nodes where small size and high efficiency are required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3370SDX-3621-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/LM3370SDX-3621-NOPB when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}