{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TCR3DG11,LF","brand":"Toshiba Semiconductor","brandSlug":"toshiba","productSlug":"TCR3DG11~6LF","canonicalUrl":"https://icboms.com/toshiba/TCR3DG11~6LF","factsUrl":"https://icboms.com/api/mcp/products/TCR3DG11%2CLF","rawCanonicalId":null},"summary":{"shortDescription":"Toshiba Semiconductor TCR3DG series LDO regulator, TCR3DG11,LF, 300mA output, fixed 1.1V, 70dB PSRR (1kHz), 4-WCSPE package, surface mount.","salesMarkdown":"The TCR3DG11,LF is a 300 mA fixed-output LDO from Toshiba's TCR3DG series, delivering 1.1 V with a power-supply rejection ratio of 70 dB at 1 kHz. That PSRR figure means ripple on the input rail — from a switching preregulator or a noisy 5 V bus — is attenuated by a factor of 3,000 before it reaches the load. For an ADC reference or a sensor front-end drawing under 100 mA, this keeps the supply noise floor below the converter's LSB. ## Package and board-fit — 0.65 x 0.65 mm WCSPE The 4-bump WCSPE package measures 0.65 x 0.65 mm — roughly the footprint of a 0402 resistor. This places the LDO directly next to the load, minimising the PCB trace inductance between the output cap and the powered device. The trade-off is board-level routing: the 0.4 mm pitch requires a via-in-pad or microvia fan-out on a standard 4-layer stack-up. Surface-mount assembly with the enable pin (active-high) lets the system power-down the regulator without a load switch. The protection block — inrush current limiting, overcurrent, and thermal shutdown — handles the start-up surge into a large decoupling cap and protects against a shorted output. RoHS compliance is confirmed per the manufacturer's declaration.","metaTitle":"Toshiba TCR3DG11,LF LDO 300mA 1.1V Fixed, 70dB PSRR","metaDescription":"Toshiba TCR3DG11,LF linear regulator: 300mA output, fixed 1.1V, 70dB PSRR at 1kHz, 0.65V dropout max. Active production, RoHS compliant.","metaKeywords":null},"attributes":{"series":"TCR3DG","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"PSRR":"70dB (1kHz)","Series":"TCR3DG","Package":"Tape & Reel (TR); Cut Tape (CT)","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"4-XFBGA, CSPBGA","lifecycle_stage":"eol_hot","Control Features":"Enable","Current - Output":"300mA","Protection Features":"Inrush Current, Over Current, Over Temperature","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 85°C","Voltage - Input (Max)":"5.5V","Voltage Dropout (Max)":"0.65V @ 300mA","Supplier Device Package":"4-WCSPE (0.65x0.65)","Voltage - Output (Min/Fixed)":"1.1V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.41","priceTiers":[{"qty":1,"price":"$0.41000","currency":"USD"},{"qty":10,"price":"$0.32900","currency":"USD"},{"qty":25,"price":"$0.30080","currency":"USD"},{"qty":100,"price":"$0.22390","currency":"USD"},{"qty":250,"price":"$0.20288","currency":"USD"},{"qty":500,"price":"$0.16790","currency":"USD"},{"qty":1000,"price":"$0.12593","currency":"USD"},{"qty":2500,"price":"$0.11543","currency":"USD"},{"qty":5000,"price":"$0.10844","currency":"USD"},{"qty":10000,"price":"$0.10144","currency":"USD"},{"qty":25000,"price":"$0.09900","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TCR3DG11%2CLF/alternatives.json"},"ai":{"faq":[{"question":"What is the PSRR of TCR3DG11,LF and why does it matter?","answer":"The PSRR is 70 dB at 1 kHz. This means switching noise from a buck converter or USB input at that frequency is suppressed by a factor of ~3,160. For a 16-bit ADC with a 5 V reference, that attenuation keeps the supply ripple below 1/10 of an LSB — the regulator does not become the noise bottleneck in the signal chain."},{"question":"Does TCR3DG11,LF drop in as a replacement for TCR3DG18,LF?","answer":"No — the output voltages differ. TCR3DG11,LF is fixed at 1.1 V; TCR3DG18,LF is fixed at 1.8 V. The package, pinout, and enable logic are identical within the TCR3DG series, so the PCB layout is compatible, but the output rail voltage must match the load requirement. If the design calls for 1.8 V, TCR3DG18,LF is the correct order code."},{"question":"What compliance documentation does Toshiba provide for TCR3DG11,LF?","answer":"RoHS compliance is confirmed on the manufacturer's product status. No REACH, UL, or IEC certification is listed in the available documentation for this part."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/toshiba/TCR3DG11~6LF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/toshiba/TCR3DG11~6LF 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}}