{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LT1764AEQ#PBF","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"LT1764AEQPBF","canonicalUrl":"https://icboms.com/analog-devices/LT1764AEQPBF","factsUrl":"https://icboms.com/api/mcp/products/LT1764AEQ%23PBF","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices LT1764AEQ#PBF, positive adjustable linear regulator, 3A output, 0.66V dropout max at 3A, 63dB PSRR at 120Hz, 1.5 mA quiescent current, -40 to 125°C, TO-263-6 D²Pak (5 leads + tab), tube.","salesMarkdown":"## 3 A adjustable LDO — what the ratings mean for the rail The LT1764AEQ#PBF is a single-channel positive adjustable linear regulator rated for 3 A continuous output. Its maximum dropout voltage of 0.66 V at full load sets the minimum input-to-output headroom: feed it at least 1.21 V above the set output voltage to keep the pass element in regulation. The 63 dB PSRR at 120 Hz attenuates full-wave rectifier ripple, which matters when the LDO sits downstream of a bulk capacitor and the load is a sensitive analog rail or a noise-budgeted digital core. The 1.5 mA quiescent current is the current the regulator burns to run its internal bias — it flows to ground regardless of load. In a 3 A design that 1.5 mA is negligible, but if this rail is always-on in a battery-backed system, stack it against the load current to estimate standby draw. Protection features include over-current, over-temperature, and reverse polarity. The reverse-polarity clamp means the part survives a reversed input without blocking diode losses, but the tab is still the primary thermal path — the D2Pak (5-DDPAK) package relies on board copper for heat spreading. Junction temperature range of -40°C to 125°C covers industrial enclosures, outdoor telecom cabinets, and under-hood automotive auxiliary rails. ## Active lifecycle — no LTB risk on this BOM line The LT1764AEQ#PBF carries an active lifecycle status. No last-time-buy notice, no end-of-life window. For a production BOM this means the part can be qualified without obsolescence watch. The #PBF suffix confirms ROHS3 compliance — no exemption-based paperwork needed for EU or California markets.","metaTitle":"LT1764AEQ#PBF Linear Regulator, Adj 3A, 0.66V Dropout","metaDescription":"LT1764AEQ#PBF positive adjustable LDO, 3A output, 0.66V dropout max at 3A, 63dB PSRR at 120Hz, -40 to 125°C, D2Pak-5. Active, RoHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"PSRR":"63dB (120Hz)","Package":"Tube","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"TO-263-6, D²Pak (5 Leads + Tab), TO-263BA","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"3A","Protection Features":"Over Current, Over Temperature, Reverse Polarity","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C (TJ)","Voltage - Input (Max)":"20V","Voltage Dropout (Max)":"0.66V @ 3A","Current - Supply (Max)":"200 mA","Voltage - Output (Max)":"20V","Supplier Device Package":"5-DDPAK","Current - Quiescent (Iq)":"1.5 mA","Voltage - Output (Min/Fixed)":"1.21V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.14","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$10.14000","currency":"USD"},{"qty":10,"price":"$9.16200","currency":"USD"},{"qty":25,"price":"$8.73560","currency":"USD"},{"qty":100,"price":"$7.58490","currency":"USD"},{"qty":250,"price":"$7.24404","currency":"USD"},{"qty":500,"price":"$6.60486","currency":"USD"},{"qty":1000,"price":"$6.03000","currency":"USD"}]},"links":{"datasheetUrl":"https://www.analog.com/media/en/technical-documentation/data-sheets/1764afb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is LT1764AEQ#PBF RoHS compliant?","answer":"Yes, the #PBF suffix indicates ROHS3 compliance. No exemption-based paperwork is required for EU or California regulatory markets."},{"question":"What is the difference between LT1764AEQ and LT1764AEQ#PBF?","answer":"The #PBF suffix indicates ROHS3 compliance (lead-free). The LT1764AEQ without the suffix is the non-RoHS variant. Electrical specifications and package are identical."},{"question":"Is there an equivalent substitute for LT1764AEQ#PBF?","answer":"The LT1764AEFE-3.3#PBF is a fixed 3.3 V output variant in a TSSOP-16 package with the same 3 A rating and 63 dB PSRR. The LT1963AES8#PBF is an adjustable 1.5 A version in SOIC-8 — lower current but same dropout family. Neither is a direct pin-for-pin replacement; the D2Pak footprint is unique to the EQ suffix."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/LT1764AEQPBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/LT1764AEQPBF 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}}