UCC28C40DGKR

The UCC28C40DGKR is a high-performance, pulse-width modulation (PWM) controller designed for use in power supply applications. It operates in the continuous conduction mode and features a high-voltage start-up capability, making it suitable for off-line and DC-DC converter designs.
Key features include a wide input voltage range, typically from 8V to 40V, and a fixed frequency of 100 kHz. The controller provides functions such as frequency modulation, soft-start, and overcurrent protection, enhancing the reliability and stability of power supplies.
The UCC28C40DGKR is particularly useful in applications like switch-mode power supplies (SMPS), adaptors, and LED drivers due to its efficiency and versatility. Its thermal shutdown and undervoltage lockout features ensure safe operation under varying load conditions.
The device is housed in a 16-pin SOIC package, making it suitable for compact designs. Overall, the UCC28C40DGKR is an essential component for engineers looking to create efficient and reliable power management solutions.

The UCC28C40DGKR is a high-performance PWM (Pulse Width Modulation) controller designed for offline and DC-DC converter applications. Key features include:
1. Voltage Range: Operates from a wide input voltage range of 10 to 30 V.
2. High-Speed Operation: Capable of switching frequencies up to 200 kHz, allowing for compact power supply solutions.
3. Current Mode Control: Utilizes current mode control for improved regulation and transient response, enhancing stability.
4. Built-in Features: Includes functions like soft-start, undervoltage lockout (UVLO), and overcurrent protection to ensure reliable operation.
5. Dithering Functionality: Provides a dithering feature to minimize noise and improve EMI performance.
6. Thermal Shutdown: Protects the device from overheating with integrated thermal shutdown capabilities.
7. Package: Available in a small 16-pin SOIC package, enhancing design flexibility and space efficiency.
These features make the UCC28C40DGKR suitable for various applications, including power adapters, battery chargers, and industrial power supplies.

The UCC28C40DGKR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

The UCC28C40DGKR is a voltage mode PWM (Pulse Width Modulation) controller with a 16-pin package (TSSOP-16).
Pin Count: 16 pins.
Functionality:
1. Pin 1 (VREF): Reference voltage output.
2. Pin 2 (COMP): Compensation node for stability.
3. Pin 3 (ISENSE): Current sense input.
4. Pin 4 (SENSE-): Ground reference for ISENSE.
5. Pin 5 (CSN): Current sense negative input.
6. Pin 6 (RT): Timing resistor for frequency setting.
7. Pin 7 (CT): Timing capacitor for frequency setting.
8. Pin 8 (GND): Ground connection.
9. Pin 9 (SS): Soft start input.
10. Pin 10 (PWM): PWM output signal to the power stage.
11. Pin 11 (VDD): Supply voltage input.
12. Pin 12 (VDS): Voltage feedback input.
13. Pin 13 (FB): Feedback input for regulation.
14. Pin 14 (DR): Driver output for external MOSFET.
15. Pin 15 (SHUTDOWN): Shutdown control.
16. Pin 16 (CS): Current sense input for overcurrent protection.
This device is commonly used in switch-mode power supplies.

The UCC28C40DGKR is manufactured by Texas Instruments (TI), a prominent semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing chips and solutions for various applications, including automotive, industrial, communications, and consumer electronics. The UCC28C40 is specifically a PWM (Pulse Width Modulation) controller used in power management applications, making it a key component in power supply designs. Texas Instruments is known for its innovation in the semiconductor industry and has a strong commitment to research and development, providing engineers with reliable products and tools for modern electronic designs.

The UCC28C40DGKR is a PWM controller primarily used in switch-mode power supplies (SMPS). Its application areas include power management for computer systems, telecommunications, industrial power supplies, and consumer electronics. It is designed for high-efficiency DC-DC converters, including flyback, boost, and buck converters, ensuring optimal performance in various power applications.

The UCC28C40DGKR chip is a pulse-width modulation (PWM) controller used for power management. Equivalent products include:
1. UC3842 - Similar PWM controller with enhanced features for high-speed applications.
2. LM5045 - Offers advanced control for isolated power applications.
3. TL494 - Versatile PWM controller for various power supply designs.
Check specific datasheets for detailed characteristics and ensure compatibility based on your application.