{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LTC7804EUD#PBF","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"LTC7804EUDPBF","canonicalUrl":"https://icboms.com/analog-devices/LTC7804EUDPBF","factsUrl":"https://icboms.com/api/mcp/products/LTC7804EUD%23PBF","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices LTC7804EUD#PBF, Low IQ Synchronous Boost Controller, Step-Up Topology, 4.5V to 40V Supply, 100kHz to 3MHz Switching, 16-QFN 3x3mm, -40°C to 125°C, Tube.","salesMarkdown":"## Low-IQ synchronous boost controller for 4.5V to 40V rails The Analog Devices LTC7804EUD#PBF is a low quiescent current synchronous boost controller designed for step-up (boost) conversion. It drives an external N-channel MOSFET pair — one main switch and one synchronous rectifier — which eliminates the Schottky diode loss of conventional boost converters. The controller operates from a 4.5V to 40V supply rail and delivers a regulated positive output at up to 100% duty cycle for pass-through operation near dropout. ## 100kHz to 3MHz switching — design flexibility for size or efficiency The switching frequency is programmable from 100kHz to 3MHz via a single resistor, or it can be synchronised to an external clock. A 3MHz setting shrinks the inductor and output capacitor, useful for space-constrained telecom or portable equipment. Dropping to 100kHz improves efficiency by reducing switching losses, at the cost of larger magnetics. The 16-QFN (3x3mm) package keeps the overall power-stage footprint compact even at lower frequencies. ## -40°C to 125°C junction temperature range Rated for operation from -40°C to 125°C junction temperature, this controller suits industrial environments — outdoor telecom cabinets, factory-floor 24V rails, and engine-bay power conditioning. The synchronous rectifier maintains efficiency across the temperature range, which matters when the boost stage is running continuously in a warm enclosure. ## Active lifecycle, ROHS3 compliant The LTC7804EUD#PBF carries an Active product status with ROHS3 compliance.","metaTitle":"LTC7804EUD#PBF Synchronous Boost Controller, 100kHz-3MHz","metaDescription":"LTC7804EUD#PBF low-IQ synchronous boost controller from Analog Devices. Step-up topology, 4.5V-40V supply, 100kHz-3MHz switching, -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":{"Package":"Tube","Function":"Step-Up","Topology":"Boost","Clock Sync":"No","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"16-WFQFN Exposed Pad","lifecycle_stage":"eol_hot","Duty Cycle (Max)":"100%","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"100kHz ~ 3MHz","Operating Temperature":"-40°C ~ 125°C (TJ)","Synchronous Rectifier":"Yes","Supplier Device Package":"16-QFN (3x3)","Voltage - Supply (Vcc/Vdd)":"4.5V ~ 40V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.41","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$6.41000","currency":"USD"},{"qty":10,"price":"$5.78900","currency":"USD"},{"qty":25,"price":"$5.51960","currency":"USD"},{"qty":100,"price":"$4.79250","currency":"USD"},{"qty":250,"price":"$4.57708","currency":"USD"},{"qty":500,"price":"$4.17322","currency":"USD"},{"qty":1000,"price":"$3.81000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6f02d280e8dd6205ef3bd81ea8969b43.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is LTC7804EUD#PBF a synchronous boost controller?","answer":"Yes — the LTC7804EUD#PBF is a synchronous boost controller. It uses an external N-channel MOSFET for the main switch and a second N-channel MOSFET for synchronous rectification, which improves efficiency by replacing the usual boost diode with a low-RDS(on) FET."},{"question":"What is the switching frequency range of the LTC7804EUD#PBF?","answer":"This range lets the designer trade off inductor size (higher frequency) against switching losses (lower frequency)."},{"question":"What are alternatives to LTC7804EUD#PBF?","answer":"The LTC3814EFE-5#PBF is a close functional peer — also a synchronous boost controller in a Tube package, with a 4.35V minimum supply and the same -40°C to 125°C temperature range. The LTC3779IFE#PBF and LTC3779HFE#PBF are buck-boost controllers (step-up and step-down), not pure boost, so they cover a different topology need. Check the exact supply voltage and control feature set against your rail before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/LTC7804EUDPBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/LTC7804EUDPBF 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}}