
UC3875DWPTR PMIC - AC DC Converters, Offline Switchers by Texas Instruments
UC3875DWPTR is a PMIC - AC DC Converters, Offline Switchers from Texas Instruments in 28-SOIC packaging. It is commonly reviewed for IC REG CTRLR PWM CM/VM 28-SOIC. 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
UC3875DWPTR
- Internal code
TCE000113891
- Package
28-SOIC
- Manufacturer
- Texas Instruments
Key specifications
- Series
-
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Sub Category
- PMIC - AC DC Converters, Offline Switchers
- Description
IC REG CTRLR PWM CM/VM 28-SOIC
- key Attributes
-
Trust signals
Quality and trust signals
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
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 UC3875DWPTR 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
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
- 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: UC3875DWPTR
- Package to verify: 28-SOIC
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 UC3875DWPTR from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The UC3844, UC3845 series are high performance fixed frequency current mode controllers.
They are specifically designed for Off−Line and DC−to−DC converter applications offering the designer a cost effective solution with minimal external components.
These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, a latch for single pulse metering, and a flip−flop which blanks the output off every other oscillator cycle, allowing output dead times to be programmed for 50% to 70%.
These devices are available in an 8−pin dual−in−line plastic package as well as the 14−pin plastic surface mount (SOIC−14).
The SOIC−14 package has separate power and ground pins for the totem pole output stage.
The UCX844 has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for off−line converters.
The UCX845 is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).
Features
• Current Mode Operation to 500 kHz Output Switching Frequency
• Output Deadtime Adjustable from 50% to 70%
• Automatic Feed Forward Compensation
• Latching PWM for Cycle−By−Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Input Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• Direct Interface with ON Semiconductor SENSEFET™ Products
• Pb−Free Packages are Available
Technical parameters
Parameters
Compare grouped UC3875DWPTR 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
e4
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
2 (1 Year)
Export Classifications & Environmental
ECCN Code
EAR99
Product Attribute
Part Status
Active
Product Attribute
Lifecycle Status
ACTIVE (Last Updated: 4 days ago)
| 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. | e4 |
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. | 2 (1 Year) |
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 |
|---|---|
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. | Active |
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. | ACTIVE (Last Updated: 4 days ago) |
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. | Lead Free |
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 |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
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 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. | DUAL |
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. | 260 |
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. | 0°C~70°C TA |
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. | 28-SOIC (0.295, 7.50mm Width) |
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. | Switching Regulator or Controllers |
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 - AC DC Converters, Offline Switchers |
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 |
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. | 28 |
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. | 28 |
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. | 28 |
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. | 7.5mm |
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 |
Pb-Free Code Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance. | yes |
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 |
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. | 1.27mm |
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. | 17.9mm |
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. | 2.65mm |
Supply Voltage Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage. | 12V |
Output Current Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings. | 500mA |
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. | 4 |
Frequency Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications. | 1MHz |
Weight Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity. | 792.000628mg |
Power - Output Output power rating of the component. This is critical for amplifiers, transmitters, and power supplies. Ensure the component can deliver the required power to your load without exceeding its ratings. Check the datasheet for conditions and tolerances. | Current Limiting |
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. | 1.7V |
Data Rate (Max) Maximum data transfer rate supported. This is crucial for high-speed communication interfaces. Ensure the component can handle your required throughput with margin. Compare with the datasheet's specifications to avoid bottlenecks in your data path. | RESONANT CONTROL |
Serial Interfaces List of supported serial communication interfaces, such as SPI, I2C, UART, or CAN. This determines how the component communicates with your system. Verify that the required interfaces are available and compatible with your microcontroller or processor. | PHASE-SHIFT |
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. | UC3875 |
ESD Protection Indicates whether the component has built-in electrostatic discharge protection. This is crucial for devices that interface with external connectors or are handled during assembly. ESD protection helps prevent damage from static electricity, improving reliability in harsh environments. Verify if your application requires this feature. | Full-Bridge |
Additional Feature Lists any extra characteristics or capabilities beyond the standard specifications, such as built-in protection, special mounting options, or enhanced performance. Review these features to ensure they meet your application's specific needs and compare them across similar parts. | CAN ALSO BE CONFIGURED IN CURRENT MODE; PWM CONTROL TECHNIQUE ALSO POSSIBLE |
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. | UC3875DWPTR |
| Parameter | Value |
|---|---|
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. | Nickel/Palladium/Gold (Ni/Pd/Au) |
Analog IC - Other Type Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements. | SWITCHING CONTROLLER |
Nominal Input Voltage Specifies the standard input voltage level for which the component is designed to operate. Engineers compare this to the actual supply voltage to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and recommended operating conditions. | 20V |
Total Dose Total ionizing dose tolerance for radiation-hardened components. Indicates maximum cumulative radiation exposure before performance degrades. Critical for aerospace, nuclear, and medical applications. Verify against datasheet for mission-specific radiation requirements. | 2.35mm |
Function Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements. | VOLTAGE-MODE |
Output Isolation Describes the electrical isolation between input and output circuits in power modules or converters. This is critical for safety and noise reduction. Check the isolation voltage rating and type (basic, reinforced) in the datasheet for your application requirements. | Non-Isolated |
Voltage - Supply (Vcc/Vdd) Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction. | 9.5V~20V |
Control Features Specifies additional control functions like enable, soft-start, or power-good. These features affect system design and sequencing. Verify which controls are available in the datasheet to ensure compatibility with your application requirements. | Frequency Control, Soft Start, Sync |
Maximum Supply Current Indicates the highest current the device draws from its power supply under specified conditions. Compare this value when evaluating power budgets and thermal management. Always verify against the datasheet for your operating voltage and load. | 30mA |
RF Family/Standard Indicates the wireless communication standard or protocol family, such as Bluetooth, Wi-Fi, or Zigbee. Helps identify compatibility with target applications and system requirements. Verify against the datasheet to ensure the device supports the required RF standard. | 12V |
Duty Cycle Represents the ratio of on-time to the total switching period in a PWM signal. It determines the output voltage in switching converters. Check the maximum and minimum duty cycle limits in the datasheet to ensure proper operation across your input range. | 100% |
Start-Up Voltage Minimum input voltage required for the device to begin normal operation. Compare this value with your power supply's output to ensure reliable start-up. Verify against the datasheet's recommended operating conditions. | 10.75V |
Notice documents
PCN / product notice documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for UC3875DWPTR. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Common questions
Product FAQ
Targeted answers for buyers verifying the exact UC3875DWPTR ordering code, packaging, stock, datasheet, and replacement path.
What does UC3875DWPTR mean?
UC3875DWPTR is the exact ordering code listed for a PMIC - AC DC Converters, Offline Switchers component from Texas Instruments. The current package reference is 28-SOIC, with listed context including IC REG CTRLR PWM CM/VM 28-SOIC. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
Is UC3875DWPTR the same as UC3875DWP?
UC3875DWPTR may share the same base part family as UC3875DWP, but the suffix can identify ordering, reel, tape, packing, or logistics details. Confirm the 28-SOIC package, manufacturer code from Texas Instruments, datasheet ordering table, and reel quantity before treating the two codes as interchangeable.
What package is UC3875DWPTR supplied in?
UC3875DWPTR is currently listed with package reference 28-SOIC from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is UC3875DWPTR currently available?
UC3875DWPTR is currently marked with stock availability on this page. Before ordering, confirm the package (28-SOIC), listed stock (43750), available quantity (13396), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare UC3875DWPTR alternatives?
A mapped alternative list is not currently published for UC3875DWPTR. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.





