{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LD1117DT18CTR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"LD1117DT18CTR","canonicalUrl":"https://icboms.com/stmicroelectronics/LD1117DT18CTR","factsUrl":"https://icboms.com/api/mcp/products/LD1117DT18CTR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics LD1117 series, positive fixed 1.8V output LDO, 800mA, surface-mount DPAK (TO-252-3), active production.","salesMarkdown":"## Active production — 1.8V fixed LDO in DPAK The LD1117DT18CTR is an STMicroelectronics positive fixed-output LDO delivering 1.8V at up to 800mA in a DPAK (TO-252-3) package. It carries an active lifecycle status, so no near-term EOL risk for production BOMs. Maximum dropout is 1.3V at 800mA load — the input rail must stay above 3.1V to hold 1.8V regulation at full current. PSRR is 75dB at 120Hz, which attenuates 120Hz rectifier ripple by a factor of ~5600; useful for powering analog or RF stages from a lightly filtered supply. ## Industrial temperature range and protection Built-in over-current and over-temperature protection reduce the risk of failure under fault conditions. ROHS3 compliant.","metaTitle":"LD1117DT18CTR – STMicro 1.8V Fixed 800mA LDO, DPAK, Active","metaDescription":"LD1117DT18CTR from STMicroelectronics: 1.8V fixed output, 800mA LDO in DPAK. 75dB PSRR, dropout max 1.3V, -40°C to 125°C. Active lifecycle – source via RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"STMicroelectronics","PSRR":"75dB (120Hz)","Series":"-","Package":"Tape & Reel (TR) Cut Tape (CT)","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"TO-252-3, DPak (2 Leads + Tab), SC-63","Product Status":"Active","lifecycle_stage":"eol_hot","Control Features":"-","Current - Output":"800mA","Base Product Number":"LD1117","Protection Features":"Over Current, Over Temperature","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C","Voltage - Input (Max)":"15V","Voltage Dropout (Max)":"1.3V @ 800mA","Voltage - Output (Max)":"-","Supplier Device Package":"DPAK","Current - Quiescent (Iq)":"10 mA","Voltage - Output (Min/Fixed)":"1.8V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.7700","priceTiers":[{"qty":1,"price":"$0.81000","currency":"USD"},{"qty":10,"price":"$0.71500","currency":"USD"},{"qty":25,"price":"$0.67200","currency":"USD"},{"qty":100,"price":"$0.54840","currency":"USD"},{"qty":250,"price":"$0.50940","currency":"USD"},{"qty":500,"price":"$0.43354","currency":"USD"},{"qty":1000,"price":"$0.35788","currency":"USD"},{"qty":2500,"price":"$0.35788","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/494bb92f4effb270dec91ee8a399de6d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LD1117DT18CTR/alternatives.json"},"ai":{"faq":[{"question":"Is LD1117DT18CTR pin compatible with LM1117?","answer":"The LD1117DT18CTR uses the standard DPAK (TO-252-3) pinout common to many 1117-family regulators. Pin compatibility with the LM1117 depends on the specific LM1117 variant — verify the pin assignment (GND, VOUT, VIN) against the LM1117 datasheet for your package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/LD1117DT18CTR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/LD1117DT18CTR 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}}