{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS7A0508PDBVT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS7A0508PDBVT","canonicalUrl":"https://icboms.com/texas-instruments/TPS7A0508PDBVT","factsUrl":"https://icboms.com/api/mcp/products/TPS7A0508PDBVT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS7A0508PDBVT, fixed-output 0.8V LDO, 200mA, 40dB PSRR (1kHz-1MHz), 3µA quiescent current, SOT-23-5, -40°C to 125°C.","salesMarkdown":"## Fixed 0.8 V rail for noise-sensitive digital loads The Texas Instruments TPS7A0508PDBVT is a single-output positive LDO regulator delivering a fixed 0.8 V at up to 200 mA. It is packaged in a SOT-23-5 and rated for junction temperatures from -40°C to 125°C, suiting it for automotive and industrial environments where a clean, low-voltage core rail is needed for FPGAs, SoCs, or microcontrollers. The 40 dB PSRR maintained from 1 kHz through 1 MHz means this regulator rejects switching noise from a downstream DC-DC converter across a wide frequency band, which is the main reason to pick it over a cheaper LDO for an RF or precision analog supply. ## Dropout and headroom planning Quiescent current is 3 µA typical, which keeps the part viable for always-on or battery-backed rails where every microamp counts. The Enable pin lets a system-level power controller shut the rail entirely when the load is idle. ## Protection and stability On-chip protection includes over-current limiting, thermal shutdown, and under-voltage lockout (UVLO). These reduce the need for external supervisory circuits on a production board — the LDO handles its own fault recovery within the rated junction temperature range. The SOT-23-5 package (SOT-753 footprint) is a common small-outline package for linear regulators. Board layout should follow the datasheet's recommended capacitor values for stability. ## Sourcing and lifecycle TI lists the TPS7A0508PDBVT as an active product with ROHS3 compliance. For a current-production LDO in a standard SOT-23-5 package, supply through independent distribution is stable — this is not a part that requires broker sourcing or last-time-buy planning.","metaTitle":"TI TPS7A0508PDBVT LDO Regulator, 0.8V Fixed, 200mA, SOT-23-5","metaDescription":"TI TPS7A0508PDBVT linear regulator: 0.8V fixed output, 200mA, 40dB PSRR 1kHz-1MHz, 3µA Iq, SOT-23-5. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"PSRR":"40dB (1kHz ~ 1MHz)","Package":"Tape & Reel (TR); Cut Tape (CT)","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"SC-74A, SOT-753","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"200mA","Protection Features":"Over Current, Over Temperature, Under Voltage Lockout (UVLO)","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C (TJ)","Voltage - Input (Max)":"5.5V","Voltage Dropout (Max)":"1.004V @ 200mA","Supplier Device Package":"SOT-23-5","Current - Quiescent (Iq)":"3 µA","Voltage - Output (Min/Fixed)":"0.8V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.37","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.37000","currency":"USD"},{"qty":10,"price":"$1.22300","currency":"USD"},{"qty":25,"price":"$1.16040","currency":"USD"},{"qty":100,"price":"$0.95330","currency":"USD"},{"qty":250,"price":"$0.89108","currency":"USD"},{"qty":500,"price":"$0.78748","currency":"USD"},{"qty":1250,"price":"$0.62169","currency":"USD"},{"qty":2500,"price":"$0.58650","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/61fd9c96a864f4de9f6a1ff807cd90f3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can TPS7A0508PDBVT replace TPS7A0508PDBVR?","answer":"The TPS7A0508PDBVT and TPS7A0508PDBVR share the same silicon and output voltage. The difference is packaging and reel quantity — the PDBVT suffix typically indicates a different tape-and-reel configuration. Electrically they are identical, but verify the reel orientation and quantity against your pick-and-place setup before substituting."},{"question":"What is TPS7A0508PDBVT's PSRR specification?","answer":"PSRR is 40 dB across the 1 kHz to 1 MHz frequency range. This flat wideband rejection makes the part suitable for post-regulating a switching converter's output for noise-sensitive analog or RF loads."},{"question":"Is TPS7A0508PDBVT compatible with a 3.3V input?","answer":"Yes. Maximum input voltage is 5.5 V, so a 3.3 V rail is well within range. At 3.3 V input and 0.8 V output, the dropout headroom is over 2 V — more than enough to maintain regulation even at full 200 mA load."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS7A0508PDBVT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS7A0508PDBVT 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}}