{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"UCC28056BDBVT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"UCC28056BDBVT","canonicalUrl":"https://icboms.com/texas-instruments/UCC28056BDBVT","factsUrl":"https://icboms.com/api/mcp/products/UCC28056BDBVT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments UCC28056BDBVT transition-mode PFC controller, SOT-23-6, 8.5V–34V supply, 46 µA startup current, -40°C to 125°C operating temperature.","salesMarkdown":"## What the 46 µA startup current means for the BOM A 46 µA startup draw is low enough that the controller can charge its VDD cap from the rectified line through a high-value resistor without wasting power in a bleeder. That eliminates the need for a separate low-voltage bias supply or an auxiliary winding on the boost inductor — a real BOM simplification for compact PFC stages in LED drivers, battery chargers, and auxiliary power supplies. ## Temperature grade and deployment environment The -40°C to 125°C operating range covers industrial and automotive under-hood environments. ## Lifecycle and sourcing No end-of-life notice or last-time-buy window is in effect.","metaTitle":"UCC28056BDBVT Transition-Mode PFC Controller, SOT-23-6","metaDescription":"TI UCC28056BDBVT transition-mode PFC controller in SOT-23-6. 8.5V–34V supply, 46 µA startup, -40°C to 125°C. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mode":"Discontinuous (Transition)","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Package / Case":"SOT-23-6","lifecycle_stage":"eol_hot","Voltage - Supply":"8.5V ~ 34V","Current - Startup":"46 µA","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"SOT-23-6"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.01","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.01000","currency":"USD"},{"qty":10,"price":"$0.90700","currency":"USD"},{"qty":25,"price":"$0.86080","currency":"USD"},{"qty":100,"price":"$0.70700","currency":"USD"},{"qty":250,"price":"$0.66092","currency":"USD"},{"qty":500,"price":"$0.58406","currency":"USD"},{"qty":1250,"price":"$0.46110","currency":"USD"},{"qty":2500,"price":"$0.43500","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/f9cdab5000e9d6a8d3645bb6dbbfe5a2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the operating mode of UCC28056BDBVT?","answer":"It operates in discontinuous (transition) mode — also called critical-conduction mode. This mode gives natural zero-current switching of the boost diode, reducing reverse-recovery losses and EMI, at the cost of higher peak currents than continuous-conduction designs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/UCC28056BDBVT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/UCC28056BDBVT 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}}