UCC28501DW Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC28501DW is an average current-mode PWM power factor controller with post-regulator from Texas Instruments, switching at up to 120 kHz. It operates from a 10.3V to 18V input supply and can also be configured for current mode or voltage mode control in a 20-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- UCC28501DW Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Average current-mode PWM control achieving high power factor correction up to 120 kHz switching frequency, minimizing line current harmonic distortion
- Integrated power factor controller with post-regulator enabling a single-stage PFC plus output regulation topology to reduce component count
- Flexible control architecture: can be programmed for average current mode, peak current mode, or voltage mode via external components
- Wide supply voltage range of 10.3V to 18V (nominal 12V) for straightforward integration with auxiliary power rails in AC-DC converters
- 20-pin SOIC (R-PDSO-G20) package with RoHS-compliant, Pb-free construction for industrial and commercial power supply designs
Applications
The UCC28501DW is designed for AC-DC power supplies requiring high power factor correction, including desktop and server SMPS, industrial power converters, and LED lighting drivers operating from the AC mains. Its integrated post-regulator makes it especially useful in single-stage PFC converter topologies that combine boost PFC and isolated DC-DC regulation, reducing overall component count and board size. It is also used in electronic ballasts, motor drives, and UPS systems where meeting IEC 61000-3-2 harmonics standards is mandatory.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | CAN ALSO BE PROGRAMMED FOR CURRENT MODE AND VOLTAGE MODE |
| Analog IC - Other Type | POWER FACTOR CONTROLLER WITH POST REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 10.3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 4mA |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 200kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC28501DW:
Power Factor Controller With Post Regulator, Current-mode, 1.2A, 120kHz Switching Freq-Max, BICMOS, PDSO20
Frequently Asked Questions
What control modes does the UCC28501DW support?
The UCC28501DW primarily implements average current-mode PWM control for power factor correction, but it can also be programmed for peak current mode or voltage mode operation via external component selection, providing designers with flexibility to optimize for efficiency, stability, or simplicity in different application topologies.
What is the maximum switching frequency of the UCC28501DW?
The UCC28501DW supports switching frequencies up to 120 kHz, enabling compact magnetic and filter component design in AC-DC power supplies. Higher switching frequency reduces the size of the boost inductor and output capacitors in a PFC stage.
What supply voltage range does the UCC28501DW require?
The UCC28501DW operates from a supply voltage between 10.3V minimum and 18V maximum, with a nominal supply of 12V. This range is compatible with standard auxiliary power rails found in offline AC-DC power supply designs, simplifying the overall system architecture.
What package does the UCC28501DW come in?
The UCC28501DW is housed in a 20-pin SOIC (R-PDSO-G20) package, which provides good thermal dissipation and is easy to solder in production environments. The SOIC-20 footprint is well-supported by standard PCB design tools and assembly equipment.
Is the UCC28501DW suitable for meeting power factor standards like IEC 61000-3-2?
Yes, the UCC28501DW implements average current-mode power factor correction that can achieve power factors close to unity, making it well-suited for AC-DC power supplies required to comply with international harmonic current standards such as IEC 61000-3-2, which applies to most equipment connected to public low-voltage networks.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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