TOP264VG

The TOP264VG is a high-performance integrated circuit designed for switch-mode power supply (SMPS) applications. It combines a high-voltage power MOSFET with a PWM controller in a single package, making it ideal for various power management solutions, including off-line converters and flyback applications. This device is capable of operating over a wide input voltage range and features built-in functionalities such as under-voltage lockout, over-voltage protection, and thermal shutdown, enhancing reliability and safety.
The TOP264VG is known for its efficiency and compact design, which helps reduce the overall size of power supply units. It supports multiple output configurations and can deliver high output power while minimizing energy loss. The integration of control and power components simplifies the design process, reducing the number of external components needed.
Suitable for applications in consumer electronics, industrial equipment, and telecommunications, the TOP264VG is favored for its robust performance and versatility in addressing various power supply requirements.

The TOP264VG is a high-performance Power Integrations device designed for offline switch-mode power supplies. Key features include:
1. Integrated High-Voltage Power MOSFET: Combines a high-voltage FET and control circuitry, reducing component count.

2. Constant Current Control: Provides accurate output voltage regulation and over-current protection.
3. Wide Input Voltage Range: Supports a broad input voltage range (typically 85-265VAC).
4. Low Standby Power: Designed for energy efficiency, it minimizes power consumption in standby mode.
5. Integrated Circuit Protection: Features include over-voltage protection (OVP) and thermal shutdown.
6. Frequency Hopping: Reduces EMI emissions by varying switching frequency during operation.
7. Low Start-Up Current: Ensures faster turn-on times and reduced power losses during start-up.
8. Compact Package: Offered in a small form factor, making it suitable for space-constrained applications.
These features make the TOP264VG an ideal choice for applications in consumer electronics, power adapters, and industrial power supplies.

The TOP264VG is packaged in a 16-pin DIP (Dual In-line Package) format. It is designed for easy integration into electronic circuits, providing a compact solution for power supply applications.

The TOP264VG is a high-voltage power supply switcher IC designed for off-line applications. It has a total of 8 pins.
The pin functions are as follows:
1. DRAIN (D): Connects to the drain of the internal power MOSFET; this is the output of the device.
2. SOURCE (S): Connects to the source of the internal MOSFET; it is the common ground.
3. GATE (G): Controls the gate of the internal MOSFET; used for switching.
4. VCC: Power supply pin for the IC; provides the necessary operating voltage.
5. COMP: Compensation pin for feedback loop stability.
6. CS: Current sense pin; used for overcurrent protection.
7. FB (Feedback): Feedback pin; senses the output voltage for regulation.
8. RT: A timing resistor pin that sets the switching frequency.
These pins collectively allow the TOP264VG to provide efficient power regulation in various applications, including adapters and power supplies.

The TOP264VG is manufactured by Power Integrations, Inc., a company known for its semiconductor solutions for power conversion. Founded in 1988 and headquartered in San Jose, California, Power Integrations specializes in developing high-performance, energy-efficient products for various applications, including consumer electronics, telecom, and industrial sectors. The company focuses on integrated circuits and systems for power supply design, emphasizing innovations that reduce energy consumption and improve reliability. Power Integrations is recognized for its commitment to sustainability and advancing energy-efficiency standards in the power electronics industry.

The TOP264VG is commonly used in switch-mode power supplies (SMPS) for applications such as LED drivers, industrial equipment, consumer electronics, and telecommunications. It is suitable for isolated and non-isolated designs in low to medium power ranges, facilitating efficient voltage regulation and energy conversion. Additionally, it features integrated power management functions, making it ideal for compact and cost-effective solutions.

The TOP264VG chip is a power switch used in off-line and DC-DC converters. Equivalent products include the TOP264P, TOP265VG, and the TOP266VG from the same family. Additionally, alternatives from other manufacturers may include the NCP1200 series or the LNK series from Power Integrations, depending on specific requirements like voltage, current, and application. Always verify specifications for compatibility.