{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IR21531PBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IR21531PBF","canonicalUrl":"https://icboms.com/infineon/IR21531PBF","factsUrl":"https://icboms.com/api/mcp/products/IR21531PBF","rawCanonicalId":null},"summary":{"shortDescription":"Infineon IR21531PBF half-bridge gate driver, N-channel MOSFET, 600 V bootstrap, 10-15.6 V supply, 80/45 ns rise/fall, -40 to 125°C, 8-PDIP, Tube.","salesMarkdown":"## Half-bridge driver with 600 V bootstrap — what it drives The IR21531PBF from Infineon is a half-bridge gate driver designed for N-channel MOSFETs in synchronous half-bridge configurations. It integrates a 600 V bootstrap diode for the high-side supply, letting it drive the top FET directly from a single bias rail between 10 V and 15.6 V. The RC input circuit sets the oscillator timing externally — no external dead-time adjustment needed; the internal fixed dead-time is matched to the 80 ns typ rise and 45 ns typ fall times. This suits hard-switched half-bridge topologies in offline AC-DC converters, PFC stages, and motor-drive auxiliary supplies. ## NRND — plan the BOM migration For existing production, this means the part remains available through the current channel, but new BOMs should evaluate a pin-compatible alternative within the IR2153x family before the allocation window tightens.","metaTitle":"IR21531PBF Half-Bridge Gate Driver, 600 V Bootstrap, NRND","metaDescription":"IR21531PBF half-bridge N-channel MOSFET driver with 600 V bootstrap, 10-15.6 V supply, 80/45 ns rise/fall.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tube","Gate Type":"N-Channel MOSFET","Input Type":"RC Input Circuit","Channel Type":"Synchronous","Mounting Type":"Through Hole","Package / Case":"8-DIP (0.300\\\", 7.62mm)","Product Status":"Not For New Designs","lifecycle_stage":"eol_hot","Voltage - Supply":"10V ~ 15.6V","Number of Drivers":"2","Base Product Number":"IR21531","Driven Configuration":"Half-Bridge","Operating Temperature":"-40°C ~ 125°C (TJ)","Rise / Fall Time (Typ)":"80ns, 45ns","Supplier Device Package":"8-PDIP","Logic Voltage - VIL, VIH":"-","High Side Voltage - Max (Bootstrap)":"600 V","Current - Peak Output (Source, Sink)":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.0300","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/IR21531PBF/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for IR21531PBF?","answer":"A pin-compatible alternative within the IR2153x family (e.g., IR21531S or IR21531D) may serve as a drop-in — verify the package and supply range against the BOM before committing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IR21531PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IR21531PBF 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}}