UCC2804DTR

The UCC2804DTR is a high-performance, dual-phase, interleaved power factor correction (PFC) controller from Texas Instruments. It is designed for applications requiring efficient energy conversion, such as power supplies for servers, industrial equipment, and consumer electronics. The UCC2804DTR features a wide input voltage range (90-265 VAC), making it suitable for universal AC input applications.
Key features include a continuous conduction mode (CCM) operation, low total harmonic distortion (THD), and high efficiency, typically above 95%. The controller supports both boost and buck-boost topologies, allowing for flexible design options. It includes built-in protection features like over-voltage, under-voltage, and over-current protection, enhancing system reliability.
The device is housed in a 16-pin HTQFP package, providing a compact solution for space-constrained designs. Its ease of use, combined with a comprehensive set of features, makes the UCC2804DTR ideal for designers looking to implement efficient and reliable PFC solutions in various applications.

The UCC2804DTR is a highly integrated PWM controller designed for power factor correction (PFC) applications. Key features include:
1. Continuous Conduction Mode (CCM) Operation: Optimizes efficiency across a wide load range.
2. High Voltage Rating: Supports input voltages up to 400V, suitable for universal input applications.
3. Integrated Functions: Contains a startup circuit and high-voltage gate drive, minimizing external components.
4. Adaptive Control: Implements average current control for improved performance and low THD (total harmonic distortion).
5. Programmable Switching Frequency: Offers flexibility in design, with a range of 50 kHz to 100 kHz.
6. Over-Voltage and Over-Current Protection: Ensures safe operation, enhancing reliability.
7. Soft Start: Reduces inrush current during startup, protecting components.
8. Temperature Compensation: Provides stability across varying temperatures.
This device is ideal for applications in LED drivers, industrial power supplies, and renewable energy systems, where efficient power conversion is essential.

The UCC2804DTR is offered in a 16-pin TSSOP (Thin Shrink Small Outline Package) type package. This surface-mount package is designed for compact applications in power management and control circuits.

The UCC2804DTR is a dual, high-performance, fixed-frequency current mode controller designed for switch-mode power supplies. It features a 16-pin TSSOP (Thin Shrink Small Outline Package) configuration.
Pin Count and Functions:
- Pin 1: COMP (Compensation)
- Pin 2: VREF (Reference Voltage)
- Pin 3: CSN (Current Sense Negative)
- Pin 4: CSP (Current Sense Positive)
- Pin 5: RT (Timing Resistor)
- Pin 6: VDD (Power Supply)
- Pin 7: GND (Ground)
- Pin 8: SS (Soft Start)
- Pin 9: FBP (Feedback Positive)
- Pin 10: FBN (Feedback Negative)
- Pin 11: DTC (Dead Time Control)
- Pin 12: MFB (Multiple Feedback)
- Pin 13: NC (No Connection)
- Pin 14: OUT (Output)
- Pin 15: AC (Auxiliary Current)
- Pin 16: SYNC (Synchronization)
This device is commonly used in power converters for its efficiency and reliability.

The UCC2804DTR is manufactured by Texas Instruments (TI), a prominent multinational company specializing in semiconductor design and manufacturing. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its wide range of products, including analog and digital integrated circuits, embedded processors, and various semiconductor solutions. The company serves various industries, such as automotive, industrial, consumer electronics, and communication, focusing on providing innovative technologies that enhance efficiency and performance in electronic systems. TI's UCC2804DTR is a high-performance, dual-mode PWM (Pulse Width Modulation) controller designed for power management applications, reflecting TI's commitment to advancing power supply technologies.

The UCC2804DTR is a dual-phase, interleaved power factor correction (PFC) controller primarily used in power supply applications. Its key areas include automotive power supplies, industrial power converters, renewable energy systems (like solar inverters), and high-efficiency AC-DC power supplies for consumer electronics. It enhances energy efficiency, reduces harmonic distortion, and meets regulatory standards for power quality.

Equivalent products to the UCC2804DTR chip include the LM5035, LM5036, and the NCP1200 series. These alternatives provide similar functionality for control in power supply applications, like power factor correction and DC-DC converters. Always verify specifications and compatibility before substituting components.