{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LP38855T-0.8/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LP38855T-0.8-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LP38855T-0.8-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LP38855T-0.8%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LP38855T-0.8/NOPB LDO, fixed 0.8 V output, 1.5 A, 180 mV dropout, TO-220-5 formed leads, through hole, active, ROHS3.","salesMarkdown":"## 1.5 A LDO, 0.8 V fixed — tight dropout, clean output The LP38855T-0.8/NOPB is a 1.5 A low-dropout linear regulator from Texas Instruments with a fixed 0.8 V output. It comes in a through-hole TO-220-5 package with formed leads — field-swappable with basic tools, no hot-air station needed. Maximum dropout is 180 mV at full load, meaning the input rail needs to stay above 0.98 V to keep the output in regulation at 1.5 A. That tight headroom is useful when the input comes from a switching pre-regulator with only a few hundred mV of margin. ## PSRR: 80 dB at 120 Hz, 58 dB at 1 kHz Power-supply rejection ratio is 80 dB at 120 Hz, dropping to 58 dB at 1 kHz. The 80 dB at 120 Hz is strong enough to knock down the 100/120 Hz ripple from a mains rectifier by a factor of 10,000 — so a post-regulator after a bulk capacitor can deliver a clean rail for analog front-ends. Above 1 kHz the rejection rolls off, so switching noise at 100 kHz or higher passes through largely unattenuated. Quiescent current is 300 µA typical — fine for always-on industrial control rails, but not intended for battery-powered sleep circuits where every microamp counts. The enable pin lets you shut down the regulator entirely when the rail is not needed. ## Protection and temperature range Built-in protection covers over-current, over-temperature, and short-circuit — no need for external foldback or thermal-shutdown circuitry. Maximum input voltage is 5.5 V, so this regulator works off standard 3.3 V, 5 V, or battery rails without a separate pre-regulator. The 1.5 A output is enough to power a core rail on a mixed-signal board or a post-regulator after a switcher. ROHS3 compliant, so it fits EU and global BOMs without exemption paperwork.","metaTitle":"LP38855T-0.8/NOPB LDO, 0.8V Fixed, 1.5A, TO-220-5","metaDescription":"Texas Instruments LP38855T-0.8/NOPB LDO, 0.8V fixed output, 1.5A, 180mV dropout, 80dB PSRR at 120Hz. TO-220-5, active, ROHS3. Quoted per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"PSRR":"80dB ~ 58dB (120Hz ~ 1kHz)","Package":"Tube","Output Type":"Fixed","Mounting Type":"Through Hole","Package / Case":"TO-220-5 Formed Leads","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"1.5A","Protection Features":"Over Current, Over Temperature, Short Circuit","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C","Voltage - Input (Max)":"5.5V","Voltage Dropout (Max)":"0.180V @ 1.5A","Current - Supply (Max)":"15 mA","Supplier Device Package":"TO-220-5","Current - Quiescent (Iq)":"300 µA","Voltage - Output (Min/Fixed)":"0.8V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.92","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.92000","currency":"USD"},{"qty":10,"price":"$2.62600","currency":"USD"},{"qty":25,"price":"$2.47760","currency":"USD"},{"qty":100,"price":"$2.11100","currency":"USD"},{"qty":250,"price":"$1.98220","currency":"USD"},{"qty":500,"price":"$1.73442","currency":"USD"},{"qty":1000,"price":"$1.43710","currency":"USD"},{"qty":2500,"price":"$1.40250","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/b7d69e459bbabeacea30258782433aa0.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What PSRR does this regulator offer?","answer":"PSRR is 80 dB at 120 Hz, dropping to 58 dB at 1 kHz. The 80 dB figure strongly attenuates mains ripple; above 1 kHz the rejection rolls off."},{"question":"What compliance documentation does Texas Instruments provide for LP38855T-0.8/NOPB?","answer":"The part is ROHS3 compliant. No REACH, UL, or IEC documentation is listed in the standard product data."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LP38855T-0.8-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LP38855T-0.8-NOPB 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}}