{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX17557ATP+T","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX17557ATPT","canonicalUrl":"https://icboms.com/analog-devices/MAX17557ATPT","factsUrl":"https://icboms.com/api/mcp/products/MAX17557ATP%2BT","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices MAX17557ATP+T DC-DC Power Module, Step-Down, Buck, 4.5V to 60V input, 100kHz to 2.2MHz switching, 20-TQFN (4x4) package, Tape & Reel.","salesMarkdown":"## Wide-input external-FET buck controller The MAX17557ATP+T is an external-FET step-down controller from Analog Devices, designed for applications requiring a 4.5V to 60V input range and a single positive output up to 2.2 MHz switching frequency. Synchronous rectification is built in, which improves efficiency by replacing the freewheeling diode with a low-Rds(on) FET — the controller drives both the high-side and low-side external MOSFETs. The 100 kHz to 2.2 MHz programmable switching range lets the designer balance inductor size against switching losses; a higher frequency shrinks the magnetics but increases FET gate-drive losses. ## Temperature grade and package for industrial use Housed in a 20-lead TQFN with exposed pad (4x4 mm), the package provides a low thermal resistance path to the PCB copper plane — essential for dissipating heat from the internal gate-drive circuitry and the external FET switching losses. Surface-mount assembly with the exposed pad soldered to a thermal land on the PCB; the datasheet layout recommendation specifies a 4x4 mm pad with via array to the inner ground plane. Available in tape-and-reel (TR) or cut-tape (CT) quantities, the part is suited for both prototype builds and production reels.","metaTitle":"MAX17557ATP+T Analog Devices DC-DC Power Module, 4.5-60V","metaDescription":"MAX17557ATP+T step-down controller from Analog Devices. 4.5V to 60V input, external FET, synchronous rectification. Active, ROHS3. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Clock Sync":"No","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"20-WFQFN Exposed Pad","lifecycle_stage":"eol_hot","Control Features":"Enable","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"100kHz ~ 2.2MHz","Operating Temperature":"-40°C ~ 125°C","Synchronous Rectifier":"Yes","Supplier Device Package":"20-TQFN (4x4)","Voltage - Supply (Vcc/Vdd)":"4.5V ~ 60V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.5","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$6.50000","currency":"USD"},{"qty":10,"price":"$5.84100","currency":"USD"},{"qty":25,"price":"$5.52200","currency":"USD"},{"qty":100,"price":"$4.78590","currency":"USD"},{"qty":250,"price":"$4.54044","currency":"USD"},{"qty":500,"price":"$4.07414","currency":"USD"},{"qty":1000,"price":"$3.43602","currency":"USD"},{"qty":2500,"price":"$3.26422","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What package does MAX17557ATP+T come in?","answer":"It is supplied in a 20-lead TQFN with exposed pad (4x4 mm), surface-mount, available in tape-and-reel or cut-tape."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX17557ATPT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX17557ATPT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}