{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"UCC2581D","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"UCC2581D","canonicalUrl":"https://icboms.com/texas-instruments/UCC2581D","factsUrl":"https://icboms.com/api/mcp/products/UCC2581D","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments UCC2581D PWM controller, boost/flyback/forward topology, 1 output, up to 100 kHz, 14-SOIC surface mount, tube.","salesMarkdown":"## Multi-topology PWM controller for isolated and non-isolated designs The UCC2581D is a current-mode PWM controller from Texas Instruments that handles boost, flyback, and forward converter topologies — three common power-stage architectures in one IC. It drives a single transistor output (transistor driver) and supports positive output configurations with isolation capability, meaning it can drive the primary side of a transformer in an isolated supply. Switching frequency goes up to 100 kHz — the practical upper limit for many ferrite-core magnetics in this power range, so the controller matches well with standard transformer and inductor designs. ## Supply range, control features, and temperature grade The controller operates from a 6.8 V to 15 V supply (Vcc/Vdd), a range that covers common bias rails from 12 V regulated buses or auxiliary windings. Built-in control features include current limiting, enable, frequency control, and soft start — the soft start prevents output overshoot at power-up, and the current limit protects the external switch during overload. Maximum duty cycle is 84 %, which leaves headroom for transformer reset in single-ended forward converters.","metaTitle":"UCC2581D Texas Instruments PWM Controller","metaDescription":"UCC2581D PWM controller from TI supports boost, flyback, and forward topologies up to 100 kHz. Active, RoHS3 compliant. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tube","Function":"Step-Up, Step-Up/Step-Down","Topology":"Boost, Flyback, Forward Converter","Clock Sync":"Yes","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Control Features":"Current Limit, Enable, Frequency Control, Soft Start","Duty Cycle (Max)":"84%","Number of Outputs":"1","Output Configuration":"Positive, Isolation Capable","Frequency - Switching":"Up to 100kHz","Operating Temperature":"-40°C ~ 85°C (TA)","Synchronous Rectifier":"No","Supplier Device Package":"14-SOIC","Voltage - Supply (Vcc/Vdd)":"6.8V ~ 15V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.33","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.33000","currency":"USD"},{"qty":10,"price":"$4.79100","currency":"USD"},{"qty":25,"price":"$4.52920","currency":"USD"},{"qty":100,"price":"$3.92520","currency":"USD"},{"qty":250,"price":"$3.72392","currency":"USD"},{"qty":500,"price":"$3.34148","currency":"USD"},{"qty":1000,"price":"$2.84850","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/7ebdc1c0d2844b4dab7eb143f9fd2699.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How can I get a quote for UCC2581D?","answer":"Submit an RFQ through this listing. No stock-holding claim is made here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/UCC2581D","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/UCC2581D 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}}