UCC28065DR

The UCC28065DR is a dual-phase, interleaved Power Factor Correction (PFC) controller from Texas Instruments, designed for applications requiring efficient power management in AC-DC converters. This device is specifically engineered to enhance power factor and reduce total harmonic distortion, which is essential for meeting stringent regulatory standards in power supply designs.
Key features of the UCC28065DR include a wide input voltage range, high efficiency through interleaved dual-phase operation, and advanced control techniques for optimized performance. The controller operates in continuous conduction mode (CCM) and offers features like phase management, frequency dithering for reduced electromagnetic interference (EMI), and programmable switching frequency.
The UCC28065DR also provides robust protection mechanisms, such as over-voltage, under-voltage lockout, and over-current protection, ensuring reliable operation in various conditions. It is suitable for applications like industrial power supplies, server power systems, and other high-power electronic systems.
Designed in a small SOIC package, the UCC28065DR integrates easily into compact designs while delivering high performance and reliability. This makes it an ideal choice for engineers looking to develop energy-efficient power systems with minimal distortion and high power factor.

The UCC28065DR is a dual-phase, interleaved, transition-mode power factor correction (PFC) controller designed for optimizing power efficiency and performance in power supply systems. Key features include:
1. Interleaved PFC Control: It enhances power factor and efficiency by reducing input and output current ripple.
2. Transition Mode Operation: This mode improves efficiency at light loads, making it suitable for various applications requiring energy-saving performance.
3. High Power Factor: It achieves near-unity power factor, which is ideal for meeting stringent power quality regulations.
4. Soft Start and Soft Stop: These features minimize inrush currents and provide controlled power-down sequences, enhancing reliability.
5. Programmable Frequency Jitter: Helps spread EMI across the spectrum, reducing peak emissions and easing compliance with EMI standards.
6. Current-mode Control: Provides fast response to line and load changes, ensuring stable operation across various conditions.
7. Overvoltage, Overcurrent, and UVLO Protection: These safety features prevent damage due to excessive voltage, current, or under-voltage situations.
8. Enhanced Dynamic Response: The controller adjusts quickly to load transients, maintaining consistent output voltage.
The UCC28065DR is well-suited for applications such as server power supplies, telecom rectifiers, and other high-performance power systems.

The UCC28065DR is a Texas Instruments product available in a SOIC (Small Outline Integrated Circuit) package, specifically an 8-pin, 150mil wide (narrow body) SOIC. This package type is designed for surface-mount technology, providing a compact and efficient form for electronic circuit integration.

The UCC28065DR is a Texas Instruments integrated circuit primarily used for power factor correction in AC-DC converters. It is housed in an SOIC-16 package, which means it has 16 pins. The key functions of the UCC28065DR include:
1. VINAC - Input voltage sensing.
2. COMP - Compensation for the boost converter control loop.
3. VSENSE - Voltage sense for output voltage regulation.
4. MOT - Maximum on-time setting.
5. ISENSE - Inductor current sensing.
6. GDA and GDB - Gate drive outputs for MOSFETs.
7. VCC - Supply voltage for the IC.
8. AGND - Analog ground.
9. PGND - Power ground.
10. VREF - Reference voltage output.
11. RVCC - Internal regulator output.
12. EN - Enable pin for the controller.
13. SS/EN - Soft-start and enable control.
14. REP - Fault reporting.
15. RDM - Resistor to set the deadtime.
16. SYNC - Synchronization input.
These pins support functions like controlling the power factor, managing over-voltage protection, interfacing with external components, and ensuring efficient operation of power systems.

The UCC28065DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. It is known for its innovations in electronics that serve various industries, including automotive, industrial, personal electronics, and communications. TI's extensive portfolio of products includes power management chips, microcontrollers, and sensors, among others. The company plays a significant role in advancing technology and supporting the development of new solutions in both consumer and industrial applications.

The UCC28065DR is a dual-phase, interleaved power factor correction (PFC) controller designed for use in AC-DC power supply applications. It is suitable for high-power applications such as server power supplies, telecommunications equipment, and industrial power systems. Its interleaved design helps to achieve high efficiency and power density, making it ideal for systems requiring compliance with rigorous power factor and harmonic standards.

The UCC28065DR is a Texas Instruments active Power Factor Correction (PFC) controller. Equivalent products from other manufacturers include the ON Semiconductor NCP1631, Infineon's ICE3PCS01G, and STMicroelectronics' L6563H. These are also PFC controllers designed for similar applications, but specific feature sets and performance may vary, so it's important to review the datasheets to ensure compatibility with your requirements.