{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS79930YZUR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS79930YZUR","canonicalUrl":"https://icboms.com/texas-instruments/TPS79930YZUR","factsUrl":"https://icboms.com/api/mcp/products/TPS79930YZUR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS79930YZUR linear regulator, 3V fixed output, 200mA, 180mV dropout, 60µA quiescent current, PSRR 70dB~38dB (100Hz~100kHz), -40°C~125°C, 5-DSBGA package.","salesMarkdown":"## 200 mA LDO with 3 V fixed rail — what the PSRR and dropout mean for your supply The TPS79930YZUR is a 200 mA low-dropout linear regulator from Texas Instruments, delivering a fixed 3 V output from an input up to 6.5 V. The 180 mV maximum dropout at full load means the input rail needs at least 3.18 V to maintain regulation — a 3.3 V bus with 5% tolerance (3.135 V min) is too tight; a 5 V rail gives comfortable headroom. The PSRR profile — 70 dB at 100 Hz dropping to 38 dB at 100 kHz — tells you where this LDO cleans up upstream noise. At line frequencies and their harmonics the rejection is strong; above 100 kHz the attenuation rolls off, so a switching regulator running at 500 kHz or 1 MHz will push ripple through unless the LDO's output capacitor and layout manage the high-frequency impedance. ## Quiescent current and protection — always-on and fault-tolerant design The 60 µA typical quiescent current makes this LDO suitable for battery-powered circuits where the regulator itself must not drain the cell during sleep or light-load operation. The enable pin lets a system-level controller shut down the output entirely, cutting Iq to near zero when the rail is not needed. On-chip protection includes overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO). The UVLO prevents the output from turning on until the input is high enough to keep the pass element in regulation — useful in multi-rail power-up sequencing where the 3 V rail must not come up before the upstream supply is stable. The 5-DSBGA package (0.9 mm x 1.3 mm typical, 0.5 mm pitch) is a wafer-level chip-scale package. The exposed backside is the die attach — it is not a thermal pad, so the primary heat path is through the solder balls to the PCB copper. The -40°C to 125°C operating range covers automotive under-hood and industrial ambient; the junction temperature must stay within this range at 200 mA with the dropout voltage times current as the dissipation. The fixed 3 V output and positive configuration mean no external resistor divider is needed — the output voltage is set internally. ## Active lifecycle and compliance — sourcing posture Sourced through authorized distribution and independent channels. No stock-holding claim is made; the part is quoted to order.","metaTitle":"TPS79930YZUR LDO Regulator, 3V Fixed, 200mA, 5-DSBGA","metaDescription":"Texas Instruments TPS79930YZUR linear regulator, 3V fixed output, 200mA, 180mV dropout, 60µA Iq, PSRR 70dB-38dB, -40°C to 125°C, 5-DSBGA. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"PSRR":"70dB ~ 38dB (100Hz ~ 100kHz)","Package":"Tape & Reel (TR); Cut Tape (CT)","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"5-UFBGA, DSBGA","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"200mA","Protection Features":"Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C","Voltage - Input (Max)":"6.5V","Voltage Dropout (Max)":"0.18V @ 200mA","Supplier Device Package":"5-DSBGA","Current - Quiescent (Iq)":"60 µA","Voltage - Output (Min/Fixed)":"3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.01","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.01000","currency":"USD"},{"qty":10,"price":"$0.90700","currency":"USD"},{"qty":25,"price":"$0.86080","currency":"USD"},{"qty":100,"price":"$0.70700","currency":"USD"},{"qty":250,"price":"$0.66092","currency":"USD"},{"qty":500,"price":"$0.58406","currency":"USD"},{"qty":1000,"price":"$0.46110","currency":"USD"},{"qty":3000,"price":"$0.43500","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/194e30331ecb8048e477489f4e74995f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the PSRR of TPS79930YZUR and why does it matter?","answer":"The PSRR is 70 dB at 100 Hz, dropping to 38 dB at 100 kHz. This means the regulator strongly attenuates low-frequency ripple (like 100/120 Hz from a rectified mains supply) but provides less rejection above 100 kHz — important when the input comes from a switching regulator operating at several hundred kHz."},{"question":"What package does TPS79930YZUR use and what are the layout considerations?","answer":"It comes in a 5-DSBGA (5-ball wafer-level chip-scale package, 0.9 mm x 1.3 mm typical, 0.5 mm pitch). The package is surface-mount only; the backside is not a thermal pad, so heat dissipation relies on the PCB copper connected to the solder balls. The -40°C to 125°C operating range covers automotive and industrial environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS79930YZUR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS79930YZUR 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}}