
LM1085ISX-3.3 PMIC - Voltage Regulators - Linear by Texas Instruments
LM1085ISX-3.3 is a PMIC - Voltage Regulators - Linear from Texas Instruments in TO263 packaging. It is commonly reviewed for IC REG LIN 3.3V 3A DDPAK/TO263-3. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
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Key specifications
- Part Number
LM1085ISX-3.3
- Internal code
TCE000114893
- Package
TO263
- Manufacturer
- Texas Instruments
Key specifications
- Series
-
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Sub Category
- PMIC - Voltage Regulators - Linear
- Description
IC REG LIN 3.3V 3A DDPAK/TO263-3
- key Attributes
-
Trust signals
Quality and trust signals
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ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for LM1085ISX-3.3 before RFQ, PO release, and shipment planning.
- 1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
- 2
Check stock and price
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- 3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
- 4
Arrange shipment
Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.
Before PO release
Part confirmation
- Exact MPN confirmed: LM1085ISX-3.3
- Package to verify: TO263
Commercial confirmation
- Live stock and lead time confirmed by RFQ
- Final price and tax terms confirmed before PO release
Fulfillment & documents
- Ship-from location: Hong Kong warehouse
- Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for LM1085ISX-3.3 from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The LM1085 series of positive adjustable and fixed regulators are designed to provide 3A with high efficient. All internal circuitry is designed to operate down to 1.5V input to output differential. On-chip trimming adjusts the reference voltage to 1%.Its low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications.Internal current and thermal limiting provides protection against any overload condition that would create excessive junction temperature.
FEATURES● Output Current of 3A● Fast Transient Response● 0.04% Line Regulation● 0.2% Load Regulation● Internal
Thermal and Current Limiting● Adjustable or Fixed Output Voltage(1.5V, 1.8V, 2.5V, 3.3V, 5.0V)● Surface Mount Package TO-263 3LD & TO-252 3L● 100%
Thermal Limit Burn-in● Low Dropout Voltage 1.5V at 3A Output Current● Moisture Sensitivity Level 3APPLICATIONS● High Efficiency Linear Regulators / Power Supply● High Efficiency "Green" Computer Systems● Constant Current Regulators● Portable Instrumentation● SMPS Post-Regulator● Adjustable Power Supplies● Powering VGA & Sound Card
Technical parameters
Parameters
Compare grouped LM1085ISX-3.3 parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
JESD-609 Code
e0
Export Classifications & Environmental
HTSUS
8542.39.0001
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
3 (168 Hours)
Export Classifications & Environmental
ECCN Code
EAR99
Product Parameter
Output Configuration
Positive
| Parameter | Value |
|---|---|
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | ROHS3 Compliant |
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e0 |
HTSUS Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays. | 8542.39.0001 |
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 3 (168 Hours) |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
| Parameter | Value |
|---|---|
Output Configuration Specifies the topology of the output stage, such as push-pull, open collector, or half-bridge. This determines how the device drives loads and interfaces with external circuitry. Verify against the datasheet to ensure compatibility with your application's requirements. | Positive |
Protection Features Built-in safeguards that prevent damage from overcurrent, overvoltage, short circuit, or thermal overload. Compare these features to ensure the component meets your application's safety and reliability requirements. Always verify the specific protection mechanisms in the datasheet. | Over Current, Over Temperature |
Terminal Finish Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance. | Tin/Lead (Sn/Pb) |
Output Voltage 1 Specifies the first regulated output voltage of a multi-output power supply or DC-DC converter. Engineers compare this value to the load requirements and verify it against the datasheet's tolerance and ripple specifications to ensure proper system operation. | 3.3V |
Number Of Regulators Specifies how many independent voltage regulator circuits are integrated in the component. Compare this when selecting multi-output power management ICs. Verify against the datasheet to ensure the regulator count matches your design requirements. | 1 |
Dropout Voltage 1 (Nominal) Nominal dropout voltage for the first output. This is the minimum input-to-output differential required to maintain regulation. Compare with your operating conditions and verify against the datasheet for load and temperature variations. | 1.3V |
Dropout Voltage Dropout voltage is the minimum input-to-output differential required for a regulator to maintain regulation. Compare this value when selecting LDOs for battery-powered or low-headroom designs. Verify it against the datasheet to ensure your input supply stays above the dropout threshold under load. | 1.3V |
Power Supply Rejection Ratio Indicates how well a component attenuates power supply noise from input to output. Compare values for stable operation in sensitive analog circuits. Verify against datasheet conditions, as PSRR varies with frequency and load. | 72dB (120Hz) |
Voltage Dropout (Max) Maximum dropout voltage is the minimum input-to-output voltage difference required for a regulator to maintain regulation. Lower dropout improves efficiency in battery-powered designs. Verify this parameter against the datasheet for your load current and temperature range. | 1.5V @ 3A |
Minimum Current Limit Defines the lowest current threshold at which a protection circuit activates, such as in power supplies or motor drivers. Helps ensure safe operation under fault conditions. Check the datasheet for exact values and tolerances. | 3.2A |
Voltage - Input (Max) Specifies the highest input voltage the component can safely handle without damage or malfunction. Compare this value with your power supply output and any transient spikes. Always verify against the datasheet's absolute maximum ratings to ensure reliable operation. | 27V |
| Parameter | Value |
|---|---|
REACH Status Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold. | REACH Unaffected |
ECCN Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues. | EAR99 |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Contains Lead |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Surface Mount |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Tape & Reel (TR) |
Categories Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class. | Integrated Circuits (ICs) |
Terminal Form Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint. | GULL WING |
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Texas |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | -40°C~125°C TJ |
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Not For New Designs |
Packing Method Specifies the packaging format for delivery, such as tube, reel, tray, or tape and reel. This affects handling, storage, and assembly processes. Verify the packing method against your production requirements and the datasheet to ensure compatibility with your pick-and-place equipment. | TR |
Subcategory A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications. | Other Regulators |
Sub-Categories Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application. | PMIC - Voltage Regulators - Linear |
Output Type Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches. | Fixed |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | NRND (Last Updated: 2 days ago) |
Voltage Tolerance-Max Specifies the maximum allowable deviation from the nominal voltage rating for a component. This parameter is critical for ensuring stable operation in power supply and regulation circuits. Always verify this value against the datasheet to prevent overvoltage conditions that could damage the component or reduce system reliability. | 2% |
Number Of Functions Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements. | 1 |
Radiation Hardening Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet. | No |
Mounting Type Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities. | Surface Mount |
Technology Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions. | BIPOLAR |
Number Of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 3 |
Terminal Position Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line. | SINGLE |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 3.3V |
Number Of Outputs Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration. | 1 |
Quiescent Current (Iq) Quiescent current is the supply current consumed by the device when it is enabled but not driving a load. It affects battery life in portable applications. Compare Iq values for low-power designs and verify against the datasheet's test conditions. | 10mA |
Terminal Pitch Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing. | 2.54mm |
Number Of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 3 |
Pin Count Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process. | 4 |
Peak Reflow Temperature (Cel) Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level. | 235 |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 4.83mm |
Quiescent Current Quiescent current is the current drawn by the device when it is in standby or no-load condition. It affects battery life in portable applications. Compare this value across similar components to ensure low power consumption. Always verify against the datasheet for your specific operating conditions. | 5mA |
Min Input Voltage Minimum voltage required at the input for the component to operate correctly. Below this level, the device may not function or may produce incorrect outputs. Verify that your power supply provides at least this voltage under all load conditions. | 2.6V |
Thickness Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height. | 4.44mm |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | TO-263-4, D2Pak (3 Leads + Tab), TO-263AA |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 8.41mm |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 10.18mm |
Max Output Current Specifies the highest continuous current the device can supply at its output without exceeding thermal or electrical limits. Compare this value with your load requirements and derating curves. Always verify against the datasheet for your operating conditions. | 3A |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | LM1085 |
Absolute Maximum Input Voltage Defines the highest input voltage that can be applied without causing permanent damage to the component. Exceeding this limit may lead to breakdown or failure. Designers must ensure transient and steady-state voltages stay below this absolute maximum rating. | 27V |
Manufacturer'S Part No. The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation. | LM1085ISX-3.3 |
Notice documents
PCN / product notice documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for LM1085ISX-3.3. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
Related sourcing options
Recommended products
Explore related PMIC - Voltage Regulators - Linear products to compare fit, stock status, datasheets, and sourcing options.
Common questions
Product FAQ
Targeted answers for buyers verifying the exact LM1085ISX-3.3 ordering code, packaging, stock, datasheet, and replacement path.
What does LM1085ISX-3.3 mean?
LM1085ISX-3.3 is the exact ordering code listed for a PMIC - Voltage Regulators - Linear component from Texas Instruments. The current package reference is TO263, with listed context including IC REG LIN 3.3V 3A DDPAK/TO263-3. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the LM1085ISX-3.3 ordering code?
Treat LM1085ISX-3.3 as the full ordering code during RFQ and engineering review. Confirm the listed TO263 package, manufacturer documentation from Texas Instruments, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is LM1085ISX-3.3 supplied in?
LM1085ISX-3.3 is currently listed with package reference TO263 from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is LM1085ISX-3.3 currently available?
LM1085ISX-3.3 is currently marked with stock availability on this page. Before ordering, confirm the package (TO263), listed stock (57524), available quantity (57524), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare LM1085ISX-3.3 alternatives?
A mapped alternative list is not currently published for LM1085ISX-3.3. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.





