{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ST1PS02AQTR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"ST1PS02AQTR","canonicalUrl":"https://icboms.com/stmicroelectronics/ST1PS02AQTR","factsUrl":"https://icboms.com/api/mcp/products/ST1PS02AQTR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics ST1PS02AQTR, Synchronous Step-Down Buck Regulator, 400 mA, 2 MHz, Adjustable Output 1.4V to 1.75V, 1.8V to 5.5V Input, 12-UFQFN, -40 to 85°C.","salesMarkdown":"## Regulator for tight spaces and battery rails The STMicroelectronics ST1PS02AQTR is a synchronous step-down (buck) switching regulator delivering up to 400 mA from an input range of 1.8 V to 5.5 V. ## Package and temperature grade — design-in reality This part comes in a 12-UFQFN package (supplier device package 12-TQFN, 1.7 mm x 2 mm).","metaTitle":"STMicroelectronics ST1PS02AQTR Buck Regulator, 400 mA, 2 MHz","metaDescription":"ST1PS02AQTR is an active, synchronous step-down buck regulator from STMicroelectronics. 400 mA output, 2 MHz switching, 1.8V to 5.5V input. 12-UFQFN package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"12-UFQFN","lifecycle_stage":"eol_hot","Current - Output":"400mA","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"2MHz","Operating Temperature":"-40°C ~ 85°C (TA)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"5.5V","Voltage - Input (Min)":"1.8V","Voltage - Output (Max)":"1.75V","Supplier Device Package":"12-TQFN (1.7x2)","Voltage - Output (Min/Fixed)":"1.4V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.08","priceTiers":[{"qty":1,"price":"$2.08000","currency":"USD"},{"qty":10,"price":"$1.87000","currency":"USD"},{"qty":25,"price":"$1.76440","currency":"USD"},{"qty":100,"price":"$1.50330","currency":"USD"},{"qty":250,"price":"$1.41156","currency":"USD"},{"qty":500,"price":"$1.23512","currency":"USD"},{"qty":1000,"price":"$1.02339","currency":"USD"},{"qty":3000,"price":"$0.95281","currency":"USD"},{"qty":6000,"price":"$0.91753","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/08d63d28df87d22116b39f195102d0d9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/ST1PS02AQTR/alternatives.json"},"ai":{"faq":[{"question":"Does ST1PS02AQTR support output voltages below 1 V?","answer":"No. The adjustable output range is 1.4 V to 1.75 V, so it does not support output voltages below 1 V."},{"question":"Can ST1PS02AQTR be used for low-power IoT devices?","answer":"Yes. The 400 mA output, 1.8 V to 5.5 V input range (covers single Li-ion), synchronous rectifier, and small 12-UFQFN package make it well-suited for battery-powered IoT sensor nodes and wearables."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/ST1PS02AQTR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/ST1PS02AQTR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}