L6561D013TR

The L6561D013TR is a high-performance integrated circuit (IC) from STMicroelectronics, designed primarily for use in power supply applications, particularly in offline switch-mode power supplies (SMPS). This device is part of the L6561 family, which is known for its efficiency and versatility in managing power conversion.

Key Features:

1. Voltage Regulation: The L6561D013TR is equipped with a high-voltage start-up circuit, allowing it to operate efficiently in a wide range of input voltages. It typically supports input voltages from 85V to 265V AC, making it suitable for universal input applications.

2. PWM Control: The IC utilizes a pulse-width modulation (PWM) control scheme, which helps in regulating the output voltage and improving the overall efficiency of the power supply. This feature is crucial for minimizing energy losses during operation.

3. Integrated Functions: The L6561D013TR integrates several functions that enhance its performance, including:

   • Soft Start: This feature helps to limit inrush current during startup, preventing damage to the circuit and ensuring a smooth power-up sequence.
   • Overvoltage Protection (OVP): The device includes mechanisms to protect against output overvoltage conditions, enhancing the reliability of the power supply.
   • Overcurrent Protection (OCP): This function safeguards the circuit by limiting the output current, preventing potential damage due to excessive load conditions.

4. Frequency Modulation: The IC supports frequency modulation to reduce electromagnetic interference (EMI), which is critical in meeting regulatory standards for electronic devices.

5. Thermal Protection: The L6561D013TR features thermal shutdown capabilities, which automatically disable the IC in case of overheating, thus protecting the device and the overall system.

6. Package Type: The L6561D013TR is typically available in a compact, surface-mount package, which facilitates easy integration into various circuit designs and helps save space on printed circuit boards (PCBs).

Applications:

The L6561D013TR is widely used in various applications, including:

• AC-DC converters
• Power adapters for consumer electronics
• Industrial power supplies
• LED drivers
• Battery chargers

Performance Characteristics:

• Efficiency: The device is designed to achieve high efficiency, often exceeding 85% under typical operating conditions.
• Operating Temperature Range: The L6561D013TR can operate over a broad temperature range, typically from -40°C to +125°C, making it suitable for use in diverse environmental conditions.

Conclusion:

The L6561D013TR from STMicroelectronics is a robust and efficient solution for power supply design, offering a range of integrated features that enhance performance, reliability, and safety. Its versatility makes it an ideal choice for various applications in the electronics industry, particularly where efficient power conversion is essential.