UCC2802D

The UCC2802D is a high-performance, dual-phase, peak current-mode controller designed for power supply applications, particularly in isolated and non-isolated topologies. It is optimized for use in power factor correction (PFC) and DC-DC converters, providing improved efficiency and performance.
Key features include a wide input voltage range, integrated soft start, and a voltage feedback loop that ensures stable operation across varying loads. The UCC2802D supports both voltage and current regulation, enabling precise control of output voltage and current.
With a built-in programmable switching frequency, it allows for design flexibility and optimization of power stages. The dual-phase design helps in reducing input and output ripple, enhancing overall system reliability.
Its integration of fault protection mechanisms, such as over-voltage, over-current, and thermal protection, contributes to increased safety and longevity of power supply systems. The UCC2802D is particularly suitable for applications in telecommunications, industrial equipment, and renewable energy systems.

The UCC2802D is a high-performance, high-efficiency, off-line power factor correction (PFC) controller designed for use in AC-DC power supplies. Key features include:
1. Continuous Conduction Mode (CCM): Supports efficient power conversion with low total harmonic distortion (THD).
2. Built-in Soft Start: Reduces inrush current, enhancing system reliability during startup.
3. Voltage Regulation: Achieves accurate output voltage regulation with minimal external components.
4. Wide Input Voltage Range: Compatible with a broad AC input range, suitable for various applications.
5. High Efficiency: Designed to maximize efficiency, minimizing heat generation and improving thermal performance.
6. Programmable Current Limit: Allows for flexible control of the maximum output current.
7. Protection Features: Incorporates over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown for enhanced safety.
8. Compact Package: Offered in a small form factor, facilitating easier integration into power supply designs.
These features make the UCC2802D ideal for applications requiring high efficiency and reliable performance in power conversion.

The UCC2802D is available in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. This package type is designed for efficient thermal performance and space-saving in circuit designs.

The UCC2802D is a dual-phase, continuous conduction mode (CCM) boost controller designed for power factor correction (PFC) applications. It has a total of 16 pins.
The key functions of the pins include:
1. Input Voltage (VIN): Supplies power to the controller.
2. Ground (GND): Common reference point for the circuit.
3. Compensation (COMP): Used for frequency compensation of the control loop.
4. Feedback (FB): Monitors output voltage for feedback control.
5. Switching Nodes (SW1, SW2): Connects to external MOSFETs for switching.
6. Current Sense (CSN, CSP): Senses inductor current for current limiting and control.
7. Phase Enable (PH) & Control (CTRL): Allows phase control for dual-phase operation.
8. Timing Capacitor (CT): Sets the switching frequency.
9. Protection & Fault (FAULT): Indicates fault conditions.
This versatile device is suitable for various PFC topologies and applications, promoting high efficiency and low total harmonic distortion (THD).

The UCC2802D is manufactured by Texas Instruments (TI), a multinational semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing solutions. The company is well-known for its development of innovative technologies in areas such as analog electronics, digital signal processing, and microcontrollers. TI serves various industries, including automotive, industrial, communications, and consumer electronics, providing components and systems that enhance the performance and efficiency of electronic devices.

The UCC2802D is a high-performance integrated circuit designed for power factor correction (PFC) in switch-mode power supplies. Its application areas include AC-DC converters, LED drivers, and battery chargers. It is commonly used in industrial, consumer electronics, and renewable energy systems to improve energy efficiency, reduce harmonic distortion, and enhance overall power quality. Additionally, it supports various input voltage ranges, making it suitable for global applications.

The UCC2802D is a current mode PWM controller. Equivalent products include the TL494, UC3843, and LM5022. Other potential alternatives are the L6563, NCP1207, and SG6843, though specific features and performance may vary. Always check datasheets for compatibility in your application.