{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LD49100PU33RY","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"LD49100PU33RY","canonicalUrl":"https://icboms.com/stmicroelectronics/LD49100PU33RY","factsUrl":"https://icboms.com/api/mcp/products/LD49100PU33RY","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics LD49100PU33RY, Automotive AEC-Q100 series, linear voltage regulator, fixed 3.3V output, 1A, 0.4V dropout, 5.5V max input, 6-DFN exposed pad, -40°C to 125°C.","salesMarkdown":"## Protection and quiescent current Built-in overcurrent and overtemperature protection handle fault conditions. Quiescent current is 50 µA typical, max supply current 300 µA. For a BOM freeze or a new design, this part is a safe selection — no LTB risk on the horizon.","metaTitle":"STMicro LD49100PU33RY Automotive LDO, 3.3V Fixed Output, 1A","metaDescription":"AEC-Q100 qualified LDO regulator with fixed 3.3V output, 1A current, 0.4V dropout at 1A, PSRR 65dB~62dB. -40°C to 125°C, 6-DFN package. Available to order.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q100","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"PSRR":"65dB ~ 62dB (1kHz ~ 10kHz)","Series":"Automotive, AEC-Q100","Package":"Tape & Reel (TR); Cut Tape (CT)","Output Type":"Fixed","Mounting Type":"Surface Mount, Wettable Flank","Package / Case":"6-VDFN Exposed Pad","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"1A","Protection Features":"Over Current, Over Temperature","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C (TJ)","Voltage - Input (Max)":"5.5V","Voltage Dropout (Max)":"0.4V @ 1A","Current - Supply (Max)":"300 µA","Supplier Device Package":"6-DFN (3x3)","Current - Quiescent (Iq)":"50 µA","Voltage - Output (Min/Fixed)":"3.3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.59","priceTiers":[{"qty":1,"price":"$1.59000","currency":"USD"},{"qty":10,"price":"$1.42800","currency":"USD"},{"qty":25,"price":"$1.34680","currency":"USD"},{"qty":100,"price":"$1.14740","currency":"USD"},{"qty":250,"price":"$1.07740","currency":"USD"},{"qty":500,"price":"$0.94272","currency":"USD"},{"qty":1000,"price":"$0.88935","currency":"USD"},{"qty":3000,"price":"$0.88935","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8819ff88065bb69c3234986aa7a6672a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LD49100PU33RY/alternatives.json"},"ai":{"faq":[{"question":"Is LD49100PU33RY AEC-Q100 qualified?","answer":"Yes, the LD49100PU33RY is part of the Automotive AEC-Q100 series, qualified for automotive-grade applications. Its operating temperature range is -40°C to 125°C (junction temperature)."},{"question":"Does LD49100PU33RY have overcurrent protection?","answer":"Yes, it includes both overcurrent and overtemperature protection (Protection Features: Over Current, Over Temperature). These are built-in and require no external components."},{"question":"Does LD49100PU33RY require an external enable signal?","answer":"The part has an Enable control feature. It can be driven by a logic signal to sequence the output on/off, or tied high (to the input voltage) for always-on operation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/LD49100PU33RY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/LD49100PU33RY 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}}