UCC256403DDBR

The UCC256403DDBR is a high-performance, digital control IC designed for resonant LLC converters, commonly used in power supplies for applications like servers, telecom, and industrial systems. This device features integrated high- and low-side gate drivers that simplify the design and implementation of efficient power conversion.
Key features include adjustable frequency operation, a wide input voltage range, and built-in protections such as over-voltage, over-current, and thermal shutdown. Its digital control architecture enhances efficiency by optimizing frequency modulation and reducing switching losses, making it suitable for applications requiring high efficiency and low standby power consumption.
The UCC256403DDBR supports synchronous rectification, further improving performance in light-load conditions, and is packaged in a compact surface-mount format, facilitating easy integration into existing designs. Overall, this IC is ideal for engineers looking to create reliable, efficient, and compact power supply solutions.

The UCC256403DDBR is a high-performance, resonant mode controller designed for power supply applications. Its key features include:
1. Primary-side Regulation: Enables accurate output voltage control without the need for an opto-isolator.
2. Flexible Control: Supports both voltage and current mode control for various applications.
3. High Efficiency: Optimized for low losses in resonant converters, allowing for high efficiency across a wide load range.
4. Wide Input Voltage Range: Suitable for a variety of input voltages, enhancing design flexibility.
5. Integrated Protection Features: Includes over-voltage, over-current, and thermal protection to enhance system reliability.
6. Low Standby Power: Designed to minimize energy consumption during standby operation, meeting energy efficiency regulations.
7. Programmable Switching Frequency: Allows customization for specific application requirements.
8. Compact Package: Available in a 16-pin TSSOP package for space-efficient designs.
These features make the UCC256403DDBR ideal for applications such as power adapters, battery chargers, and other power supply designs where efficiency and compactness are critical.

The UCC256403DDBR is packaged in a 16-pin HTQFP (Thin Quad Flat Package), which provides a compact form factor suitable for surface mounting.

The UCC256403DDBR is a high-performance, resonant-mode controller designed for power supply applications. It features a 16-pin package (HTQFN) and is primarily used for driving LLC resonant converters. The pin functions are as follows:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. CSN: Current sense negative input.
4. CSP: Current sense positive input.
5. SW: Switching node for the external FETs.
6. RT: Timing resistor connection.
7. COMP: Compensation network connection for control loop stability.
8. SS: Soft-start input.
9. CS: Current sensing input.
10. SENSE: Input for sensing resonant voltage.
11. RAMP: Ramp signal input for timing control.
12. PH: Phase input for synchronizing.
13. TRIG: Trigger input for initiating operation.
14. FOOTPRINT: External footprint for additional components.
15. NC: No connection (floating).
16. VREF: Reference voltage output.
This controller is suitable for applications requiring high efficiency and precise control in power conversion.

The UCC256403DDBR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its innovations in analog and embedded processing technologies, serving a wide range of industries including automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, providing high-performance solutions that meet the demands of modern electronic applications.

The UCC256403DDBR is a highly integrated resonant mode controller primarily used in power supply applications. Its key application areas include:
1. LED Drivers - For efficient lighting solutions.
2. Telecom Power Supplies - Providing reliable power in communication systems.
3. Data Center Power Supplies - Ensuring energy efficiency in IT infrastructure.
4. AC-DC Converters - For consumer electronics and appliances.
5. Electric Vehicle Chargers - Supporting fast and efficient charging systems.
Its features enable high efficiency and low electromagnetic interference in these applications.

The UCC256403DDBR is a resonant mode controller designed for high-performance power supplies. Equivalent products include the UCC256402, UCC256404, and UCC256405, which also operate in resonant mode but may differ in specific features such as output current ratings and control methods. Always check datasheets for precise specifications and compatibility.