{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM828M5X/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM828M5X-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM828M5X-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM828M5X%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM828M5X/NOPB charge pump, ratiometric topology, fixed output, 25 mA, 1.8-5.5 V input, SOT-23-5, Tape & Reel.","salesMarkdown":"## Charge pump for unipolar-to-bipolar or voltage doubling The LM828M5X/NOPB is a Texas Instruments ratiometric charge pump that generates a fixed output of either -Vin or 2Vin from a 1.8 V to 5.5 V input rail, delivering up to 25 mA. No external inductor is needed — the 12 kHz switching frequency keeps radiated noise low enough for analog bias supplies in mixed-signal boards. The output configuration is selectable as positive or negative, making this part suitable for generating a negative rail from a positive supply or doubling a low-voltage battery rail. The ratiometric topology means the output voltage tracks the input ratio — -Vin or 2Vin — rather than regulating to a fixed absolute voltage. ## Package and temperature grade for embedded designs Housed in a 5-pin SOT-23-5 (SC-74A) package, the LM828M5X/NOPB occupies minimal board area — roughly 3 mm × 3 mm — and suits space-constrained portable or sensor-node PCBs. The surface-mount footprint is standard for the SOT-23 family, with a 0.95 mm pin pitch that routes easily on two-layer boards. Rated for -40°C to 85°C junction temperature, this part covers industrial ambient environments — outdoor telecom enclosures, motor-drive control boards, and battery-powered field instruments. The 25 mA output ceiling limits the load to op-amp rails, comparator bias, or low-power sensor supplies rather than main power buses. ## Lifecycle and compliance status The part is ROHS3 compliant, with no restricted-substance exemptions that would complicate EU or California market entry. Available in Tape & Reel (TR) for automated pick-and-place or Cut Tape (CT) for prototype builds. No synchronous rectifier is integrated — the charge pump uses diode-based switching, which is standard for this output current class.","metaTitle":"Texas Instruments LM828M5X/NOPB Charge Pump, 25 mA, SOT-23-5","metaDescription":"Texas Instruments LM828M5X/NOPB ratiometric charge pump, 25 mA output, 1.8-5.5 V input, SOT-23-5. Active production, ROHS3 compliant. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Ratiometric","Topology":"Charge Pump","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"SC-74A, SOT-753","lifecycle_stage":"eol_hot","Current - Output":"25mA","Number of Outputs":"1","Output Configuration":"Positive or Negative","Frequency - Switching":"12kHz","Operating Temperature":"-40°C ~ 85°C (TJ)","Synchronous Rectifier":"No","Voltage - Input (Max)":"5.5V","Voltage - Input (Min)":"1.8V","Supplier Device Package":"SOT-23-5","Voltage - Output (Min/Fixed)":"-Vin, 2Vin"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.93","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.93000","currency":"USD"},{"qty":10,"price":"$0.83400","currency":"USD"},{"qty":25,"price":"$0.79200","currency":"USD"},{"qty":100,"price":"$0.65040","currency":"USD"},{"qty":250,"price":"$0.60800","currency":"USD"},{"qty":500,"price":"$0.53732","currency":"USD"},{"qty":1000,"price":"$0.42420","currency":"USD"},{"qty":3000,"price":"$0.39592","currency":"USD"},{"qty":6000,"price":"$0.37612","currency":"USD"},{"qty":15000,"price":"$0.36198","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/45b1e16956fa9eda6e3a2f09831a67e0.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can LM828M5X/NOPB replace TPS65261RHBT?","answer":"No. The TPS65261RHBT is a triple-output buck converter with 3 A per channel, adjustable output, and 2 MHz switching — a completely different topology and power class. The LM828M5X/NOPB is a single-output, 25 mA charge pump. They are not pin-compatible or functionally interchangeable."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM828M5X-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/LM828M5X-NOPB when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}