TOP264EG

The TOP264EG is a Power Integrations integrated circuit designed for offline switch-mode power supplies. It features a high-voltage power MOSFET and a current-mode control scheme, enabling efficient power conversion for various applications such as LED drivers, adapters, and industrial power supplies. With a wide input voltage range, typically from 85 to 265 VAC, the TOP264EG supports universal input, making it suitable for global applications.
Key features include built-in overvoltage protection, temperature protection, and a low standby power consumption, making it compliant with energy efficiency regulations. The device operates in frequency modulation mode, which enhances efficiency across different loads.
Its compact design simplifies PCB layout and reduces component count, allowing for cost-effective and reliable power supply solutions. Overall, the TOP264EG is an excellent choice for designers seeking integrated power management solutions in consumer electronics, telecommunications, and other power-intensive environments.

The TOP264EG is a high-voltage integrated circuit designed for off-line switch mode power supplies (SMPS). Key features include:
1. High Voltage Start-Up: Capable of operating from a wide input voltage range, typically up to 1000V.
2. Integrated PWM Controller: Uses voltage mode control with frequency jittering for improved EMI performance.
3. Built-in Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown (TSD) to enhance reliability.
4. Low Standby Power Consumption: Designed to minimize power loss during idle operation, making it suitable for energy-efficient applications.
5. Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider.
6. Compact Design: Integrated MOSFET reduces component count and PCB space.
7. Soft-Start Functionality: Reduces inrush current during startup, preventing damage to components.
These features make the TOP264EG ideal for applications in LED drivers, battery chargers, and other power supply designs requiring efficiency and reliability.

The TOP264EG is packaged in a 7-pin TO-220 style package. This package type provides efficient thermal management and is suitable for power applications, allowing for easy mounting on heat sinks.

The TOP264EG is a power switch IC designed for offline switch-mode power supplies. It features a total of 8 pins. The pinout and their functions are as follows:
1. DRAIN - Connects to the high-voltage power supply and is the power input.
2. SOURCE - Connects to the ground and serves as the return path for the current.
3. GND - Ground reference for the IC.
4. VDD - Supply voltage for the IC, used for internal circuitry.
5. CS - Current sense pin, used for feedback to regulate output power.
6. COMP - Compensation pin, used to stabilize the feedback loop.
7. FB - Feedback pin, monitors the output voltage for regulation.
8. RTN - Return pin for the feedback signal.
The device is commonly used in applications like adapters, LED drivers, and other power supplies, providing features such as over-voltage protection and under-voltage lockout.

The TOP264EG is manufactured by Power Integrations, Inc. Power Integrations is a technology company that specializes in developing innovative high-performance analog and mixed-signal semiconductor solutions. The company primarily focuses on energy-efficient power conversion technologies, particularly for applications in consumer electronics, industrial equipment, and LED lighting. Their products are widely used in power supply designs, helping to improve energy efficiency and reduce environmental impact. Power Integrations is recognized for its commitment to sustainability and technological advancement within the semiconductor industry.

The TOP264EG is a versatile power management IC primarily used in switch-mode power supplies (SMPS) for applications such as LED drivers, adapters, and chargers. It effectively manages power conversion in consumer electronics, industrial equipment, and telecommunications. Its features support isolated and non-isolated designs, ensuring high efficiency and reliability in various applications.

The TOP264EG chip, a power output switcher from Power Integrations, has several equivalent products, including the TOP265EG, TOP266EG, and the TOP272EG. These alternatives also belong to the TOPSwitch family and offer similar functionalities for power regulation applications. Always verify the specific electrical characteristics and suitability for your application before substitution.