
UCC38C42DGK PMIC - AC DC Converters, Offline Switchers by Texas Instruments
UCC38C42DGK is a PMIC - AC DC Converters, Offline Switchers from Texas Instruments in TSSOP packaging. It is commonly reviewed for IC OFFLINE CTRLR PWM UVLO 8VSSOP. 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
UCC38C42DGK
- Internal code
TCE000113918
- Package
TSSOP
- Manufacturer
- Texas Instruments
Key specifications
- Series
-
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Sub Category
- PMIC - AC DC Converters, Offline Switchers
- Description
IC OFFLINE CTRLR PWM UVLO 8VSSOP
- key Attributes
-
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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 UCC38C42DGK before RFQ, PO release, and shipment planning.
- 1
Confirm MPN
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- 2
Check stock and price
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- 3
Align documents
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- 4
Arrange shipment
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Before PO release
Part confirmation
- Exact MPN confirmed: UCC38C42DGK
- Package to verify: TSSOP
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 UCC38C42DGK from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The UCC38C42DGK is a high-performance voltage mode PWM (Pulse Width Modulation) controller designed for use in power supply applications. Manufactured by Texas Instruments, this integrated circuit is particularly well-suited for switch-mode power supplies (SMPS) and offers a range of features that enhance its functionality and efficiency.
Key Features:
- Voltage Mode Control: The UCC38C42 operates in voltage mode, which allows for stable control of the output voltage, making it ideal for applications requiring precise voltage regulation.
- Wide Input Voltage Range: This controller can handle a broad input voltage range, typically from 10V to 30V, making it versatile for various power supply designs.
- High Switching Frequency: The UCC38C42 supports high switching frequencies, which can improve the efficiency and reduce the size of the passive components in the power supply circuit.
- Integrated Features: The device includes several integrated features such as a soft-start function, which helps to limit inrush current during startup, and a dead-time control to prevent cross-conduction in half-bridge configurations.
- Current Limiting: It has built-in current limiting capabilities, which protect the power supply from overcurrent conditions, enhancing reliability and safety.
- Temperature Range: The UCC38C42DGK is designed to operate over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.
- Package Type: The "DGK" suffix indicates that the device comes in a small, thermally enhanced 16-pin TSSOP (Thin Shrink Small Outline Package), which is advantageous for space-constrained designs.
- Output Drive Capability: The controller features a strong output drive capability, allowing it to drive external MOSFETs directly, which is essential for efficient power conversion.
Applications:
The UCC38C42DGK is commonly used in various applications, including:
- DC-DC converters
- Power supplies for telecommunications
- Industrial power supplies
- Battery chargers
- LED drivers
Conclusion:
Overall, the UCC38C42DGK from Texas Instruments is a robust and efficient PWM controller that provides essential features for designing reliable and compact power supply solutions. Its combination of voltage mode control, integrated protection features, and high-frequency operation makes it a popular choice among engineers in the power electronics field.
Technical parameters
Parameters
Compare grouped UCC38C42DGK parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Attribute
Categories
Integrated Circuits (ICs)
Product Attribute
Manufacturer
Texas
Product Attribute
Thickness
970μm
Product Attribute
Package / Case
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Product Attribute
Sub-Categories
PMIC - AC DC Converters, Offline Switchers
Product Attribute
Housing Material
ROHS3 Compliant
| Parameter | Value |
|---|---|
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) |
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 |
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. | 970μm |
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. | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
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 |
Housing Material Specifies the material of the component's outer casing, such as plastic, metal, or ceramic. This affects durability, thermal performance, and environmental resistance. Verify against datasheet for application-specific requirements like flammability or chemical exposure. | ROHS3 Compliant |
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. | Surface Mount |
Locking Feature Indicates the locking mechanism used to secure the connector or terminal in place. Choose the appropriate type for your application to ensure reliable mating and vibration resistance. Verify compatibility with the mating part and datasheet specifications. | Lead Free |
Converter Type Identifies the conversion architecture, such as ADC, DAC, or DC-DC. This determines the signal path, interface, and performance characteristics. Verify the type matches your system's analog or digital conversion needs before selecting the part. | 2 (1 Year) |
Input Power-Max (CW) Indicates the maximum continuous wave input power the component can safely handle without damage or excessive distortion. Exceeding this limit may cause failure. Verify this value against your signal power and consider peak-to-average ratio in modulated systems. | 6 Weeks |
Max Supply Voltage Indicates the highest DC or AC voltage that can be safely applied to the power supply pin without risking damage or malfunction. Verify this limit against the datasheet before designing your circuit to ensure reliable operation under all conditions. | Surface Mount |
FFC, FCB Thickness This attribute specifies the thickness of a flat flexible cable (FFC) or flat circuit board (FCB). It is important for ensuring proper insertion into connectors and for mechanical fit in tight enclosures. Engineers must verify this dimension against the connector's specifications to guarantee reliable contact and avoid damage during assembly. | 2.3mA |
Data Rate Specifies the maximum data transfer rate the component can handle, typically in bits per second. Compare this value with your system's required throughput to ensure adequate bandwidth. Verify against the datasheet for exact conditions and supported protocols. | 8 |
Temperature Grade Defines the operating temperature range classification for the component, such as commercial, industrial, or automotive. This indicates the environmental conditions the device can withstand. Ensure the grade matches your application's ambient temperature requirements. | 8 |
Specifications Review the complete technical specifications for this electronic component, including electrical ratings, mechanical dimensions, and environmental limits. Verify these parameters against your application requirements and the manufacturer's datasheet to ensure compatibility and reliable operation. | Nickel/Palladium/Gold (Ni/Pd/Au) |
Insertion Method Specifies how the component is mounted onto the PCB, such as through-hole or surface mount. This affects assembly process, mechanical strength, and thermal performance. Verify compatibility with your manufacturing line and reflow or wave soldering capabilities. | Positive |
Threshold Voltage The minimum gate-to-source voltage that makes the device start conducting. Compare this value across parts to ensure your drive circuit can reliably turn the switch on. Always verify against the datasheet for your operating temperature. | 3mm |
Supplied Contents Indicates the items included in the product package, such as cables, connectors, mounting hardware, or documentation. Verify this list against the datasheet or manual to ensure you have all necessary components for installation and operation. | No |
Turn On Time Time required for the device to transition from off state to fully on state. This parameter is critical for timing analysis in power supplies, drivers, and switching circuits. Verify this value against your system's timing budget and switching frequency requirements. | 20 ns |
Co-Processors/DSP Indicates whether the component integrates a co-processor or digital signal processor for specialized tasks. Compare processing capabilities and supported algorithms when selecting devices for compute-intensive applications. Verify architecture and instruction set against your software requirements. | Up to 1MHz |
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. | UCC38C42DGK |
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. | UCC38C42 |
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. | 0°C~70°C TJ |
| Parameter | Value |
|---|---|
Control Technique Specifies the switching regulator control method, such as PWM, PFM, or burst mode. This affects efficiency, noise, and transient response. Engineers should verify the technique against the datasheet to ensure it matches the application's power requirements and EMI constraints. | PULSE WIDTH MODULATION |
Control Mode Defines the control method used by a power management IC, such as voltage mode, current mode, or hysteretic. This affects transient response, stability, and external component selection. Ensure the mode matches your application's performance needs. | VOLTAGE-MODE |
Maximum Operating Supply Voltage Highest supply voltage at which the component can operate normally without damage or performance degradation. Exceeding this limit may cause overheating or failure. Always check this parameter against your power supply design to ensure the component operates within its safe voltage range for reliable long-term performance. | 260 |
Triac Type Specifies the triac construction or series, such as standard, snubberless, or logic-level. This affects switching performance, gate sensitivity, and commutation capability. Verify the exact type against the datasheet to ensure compatibility with your circuit's voltage, current, and triggering requirements. | Active |
Nominal Attenuation Specifies the typical signal loss introduced by the component under standard conditions. Compare this value across similar parts to match your circuit's allowable attenuation. Always verify against the datasheet for frequency and temperature dependencies. | e4 |
Drain To Source Resistance This is the on-state resistance between the drain and source terminals of a MOSFET. It affects power dissipation and efficiency. Lower values are preferred for high-current switching. Always check the datasheet for the specified test conditions, as RDS(on) varies with gate voltage and temperature. | EAR99 |
Total Resistance Total resistance is the end-to-end resistance of a component, such as a potentiometer or resistor network. It defines the maximum resistance available and is critical for circuit design. Verify this value against the datasheet to ensure proper operation. | Tube |
Accessory Type Specifies the category of accessory or add-on part for electronic components. Use this to filter compatible mounting hardware, connectors, or protective covers. Verify the accessory type against the component datasheet to ensure proper fit and function in your application. | DUAL |
Minimum Operating Supply Voltage Specifies the lowest supply voltage at which the component remains fully functional. Compare this value with your system's power rail tolerance and verify it against the datasheet's recommended operating conditions to ensure reliable startup and operation. | GULL WING |
Connector Support Type Indicates the mechanical mounting or support method for the connector, such as panel mount, board mount, or free-hanging. This affects installation, vibration resistance, and space requirements. Verify compatibility with your enclosure and PCB layout before ordering. | ACTIVE (Last Updated: 5 days ago) |
Capacitance Capacitance value of the component, typically expressed in farads (pF, nF, µF). This parameter determines energy storage and filtering characteristics. Compare capacitance when selecting capacitors for power supply decoupling, signal coupling, or timing applications. Always check the rated voltage and tolerance in the datasheet. | 1 |
Typical Quiescent Current (MA) Typical current consumed by the component in standby or idle state, measured in milliamperes. This is important for battery-powered or low-power applications. Compare this value with your power budget to ensure the component does not drain excessive current when inactive, affecting overall system efficiency. | BICMOS |
Number Of Turns Number of turns in a coil or winding. Affects inductance, transformer ratio, and impedance. Critical for designing transformers, inductors, and magnetic components. Check datasheet for tolerance. | 3mm |
Maximum Data Rate Highest data transfer rate the component can reliably support, typically in bits per second. This is critical for serial interfaces, modems, or transceivers. Ensure your application's required data throughput does not exceed this limit to avoid communication errors and performance degradation. | 0.65mm |
Taper Specifies the resistance change curve of a potentiometer, such as linear or logarithmic. This affects how the output varies with rotation. Verify the taper type against your circuit requirements and the datasheet to ensure proper volume or control response. | 1.07mm |
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. | Step-Up, Step-Up/Step-Down |
Max Duty Cycle Specifies the highest proportion of time the output remains active within a switching period. Compare this limit when selecting power controllers or drivers to ensure stable operation and avoid excessive heat. Verify against the datasheet for your operating conditions. | 100 % |
Switcher Configuration Indicates the topology of the internal switching regulator, such as buck, boost, or buck-boost. This determines the input-output voltage relationship and efficiency. Verify the configuration against your power supply requirements and the datasheet to ensure correct operation. | BUCK-BOOST |
Standard Industry standard or specification that the component complies with, such as IEEE, IEC, or JEDEC. This ensures interoperability and reliability. Verify that the component meets the required standard for your application to guarantee compatibility with other system components and regulatory compliance. | 200mA |
Supply Type Indicates the required power source, such as AC or DC, for the component. Engineers compare this to ensure compatibility with the system's power architecture. Verify the supply type against the datasheet to avoid incorrect power connections. | SWITCHING CONTROLLER |
Configuration Specifies the internal circuit topology or arrangement of the component, such as single, dual, or bridge configuration. This attribute helps engineers select the right part for their circuit design. Always verify the exact configuration against the datasheet to ensure compatibility with your application. | 15V |
Main Category Select the primary classification that best describes the component type, such as semiconductor, passive, connector, or module. This helps narrow down the catalog and ensures you compare products within the same functional family. Verify the category matches the datasheet description. | Transistor Driver |
Typical Switching Frequency (KHz) Typical switching frequency of a power converter or driver. Compare this value to your application's needs to ensure efficient operation. Verify against the datasheet for exact conditions. | Switching Regulator or Controllers |
Ti Ti is a specific parameter value for this component. Engineers compare it to datasheet specifications to ensure the part meets design requirements. Verify Ti against the manufacturer's datasheet for your application. | Frequency Control |
Operating Supply Voltage (V) Specifies the nominal or range of DC supply voltage for normal operation. Compare this with your system's power rail to ensure compatibility. Always check the absolute maximum ratings in the datasheet to avoid overvoltage damage. | 1MHz |
D/A Conversion Type Specifies the digital-to-analog conversion architecture used in the component. Compare types like R-2R, delta-sigma, or resistor string to match resolution and speed requirements. Verify the exact type in the datasheet for signal integrity. | 96% |
Programming Voltage Programming voltage is the specific voltage required to write or erase data in programmable devices like EEPROMs, flash memory, or microcontrollers. It must be applied precisely during programming; incorrect levels can cause write failures or permanent damage, so always follow the datasheet's programming procedure. | 25ns |
Topology Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions. | Boost, Flyback, Forward Converter |
Fiber Type Specifies the optical fiber category used in the component, such as single-mode or multimode. This affects bandwidth, distance, and connector compatibility. Verify the fiber type against your network requirements and the datasheet to ensure proper signal transmission and system performance. | 18V |
Number Of Channels Specifies how many independent signal paths or outputs the component provides. Compare this value with your circuit requirements to ensure each channel can be used separately. Verify the channel configuration in the datasheet, as some devices may share pins or have internal connections. | ALSO OPERATES IN CURRENT MODE |
Transformer Type Indicates the construction or configuration of the transformer, such as flyback, forward, or planar. Affects performance, size, and application suitability. Refer to datasheet for detailed specifications and recommended usage. | 18V |
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. | 9V~18V |
Number Of I/Os Indicates the total count of input/output pins or channels available on the component. Engineers compare this to ensure sufficient connectivity for their application. Verify against the datasheet pinout to confirm exact configuration and compatibility with your design. | 25.996513mg |
Notice documents
PCN / product notice documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for UCC38C42DGK. 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 UCC38C42DGK ordering code, packaging, stock, datasheet, and replacement path.
What does UCC38C42DGK mean?
UCC38C42DGK is the exact ordering code listed for a PMIC - AC DC Converters, Offline Switchers component from Texas Instruments. The current package reference is TSSOP, with listed context including IC OFFLINE CTRLR PWM UVLO 8VSSOP. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the UCC38C42DGK ordering code?
Treat UCC38C42DGK as the full ordering code during RFQ and engineering review. Confirm the listed TSSOP 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 UCC38C42DGK supplied in?
UCC38C42DGK is currently listed with package reference TSSOP from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is UCC38C42DGK currently available?
UCC38C42DGK is currently marked with stock availability on this page. Before ordering, confirm the package (TSSOP), listed stock (83469), available quantity (49288), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare UCC38C42DGK alternatives?
A mapped alternative list is not currently published for UCC38C42DGK. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.





