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TOP256EG Part Number Details

Author: Tanssion Date: 2023-05-19 Hits: 119

The part number "TOP256EG" corresponds to an integrated circuit (IC) manufactured by Power Integrations. Here are some details about this IC:

TOP256EG

1.Manufacturer: Power Integrations


2.Part Number: TOP256EG


3.Description: The TOP256EG is a highly integrated off-line switcher IC designed for universal input offline power supplies. It combines a high-voltage power MOSFET, PWM control, fault protection, and other essential circuitry into a single package.


4.Function: The TOP256EG is designed to provide efficient and reliable power conversion for a wide range of applications. It is commonly used in flyback power supplies, such as those found in TVs, monitors, set-top boxes, and other consumer electronics.


5.Key Features:


(1.)Integrated 700V power MOSFET for high-voltage switching


(2.)PWM control with frequency jittering for improved electromagnetic compatibility (EMC)


(3.)Built-in safety features like auto-restart, overtemperature protection, and overvoltage protection


(4.)Supports a wide range of input voltages (85V to 265V) for universal input compatibility


(5.)High efficiency and low standby power consumption


(6.)Protection against short circuits and open circuits


(7.)Internal frequency foldback for improved system reliability


(8.)Package options: The TOP256EG is typically available in an industry-standard TO-220 package.


Please note that the specifications, features, and application information provided here are general and may not cover all aspects of the TOP256EG. For precise and detailed information, it is recommended to refer to the official datasheet provided by Power Integrations for the specific part number. The datasheet will provide the most accurate and up-to-date details about the product parameters, electrical characteristics, pin configuration, and other important specifications.


Here are some typical product parameters associated with the TOP256EG IC from Power Integrations. Please note that the actual specifications may vary depending on the specific variant and the datasheet provided by the manufacturer:


1.Input Voltage Range: The TOP256EG supports a wide input voltage range, typically from 85V to 265V AC, making it suitable for universal input applications.


2.Output Power: The TOP256EG can handle a certain maximum output power, which depends on the specific application and the design of the power supply circuit.


3.Switching Frequency: The IC operates at a specific switching frequency, typically ranging from a few tens of kilohertz to a few hundred kilohertz.


4.Maximum Duty Cycle: It has a maximum duty cycle, which determines the maximum on-time of the switching transistor during each cycle.


5.Output Voltage: The TOP256EG can provide a regulated output voltage based on the design and feedback circuitry in the application.


6.Operating Temperature Range: The IC is designed to operate within a specified temperature range, typically from -40°C to +125°C.


7.Package Type: The TOP256EG is typically available in a TO-220 package, which provides good thermal dissipation and ease of mounting.


These parameters are general and intended to provide an overview of the typical characteristics associated with the TOP256EG. For detailed and precise information, I recommend referring to the official datasheet provided by Power Integrations for the specific part number. The datasheet will provide comprehensive details about the product parameters, electrical characteristics, pin configuration, application notes, and other important specifications of the TOP256EG.


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Frequently Asked Questions

1、Characteristic of the product with part number TOP256EG
The TOP256EG is a highly integrated offline switcher IC that offers several characteristics suitable for universal input offline power supply applications. Some of its key characteristics include: 1.Integrated Power MOSFET: The TOP256EG incorporates a high-voltage power MOSFET, allowing for efficient switching and power conversion in a compact package. 2.Frequency Jittering for EMC: The IC utilizes frequency jittering to improve electromagnetic compatibility (EMC) performance, reducing the potential for interference and noise generation. 3Auto-Restart and Protection Features: It features built-in protection mechanisms such as auto-restart, which helps in recovering from fault conditions automatically. The IC also provides protection against overtemperature, overvoltage, undervoltage, and output short circuits. 4.High Efficiency: The TOP256EG is designed for high efficiency, enabling it to deliver optimal power conversion while minimizing power losses and maximizing energy efficiency. 5.Wide Input Voltage Range: It supports a wide input voltage range of 85V to 265V AC, making it suitable for universal input applications and accommodating various input sources. 6.Programmable Output Voltage: The IC allows for programmability of the output voltage, typically ranging from 3.3V to 39V, to meet the requirements of different applications. 7.Internal Frequency Foldback: The TOP256EG includes internal frequency foldback, which reduces the switching frequency during overload or fault conditions, enhancing system reliability and protection. 8.Comprehensive Protection: The IC offers comprehensive protection features, including overtemperature protection, overvoltage protection, undervoltage lockout (UVLO), and current limit protection, ensuring safe and reliable operation in diverse operating conditions. These characteristics highlight the key features and capabilities of the TOP256EG IC, making it suitable for a range of offline power supply applications. For specific details and operating conditions, it is recommended to refer to the official datasheet provided by Power Integrations for the TOP256EG.
2、Package type of the product with part number TOP256EG
The TOP256EG IC from Power Integrations is typically available in a TO-220 package. The TO-220 package is a widely used through-hole package that provides good thermal dissipation and ease of mounting. It consists of three leads or pins and a metal tab that acts as a heat sink. The TO-220 package is commonly used for power semiconductors and integrated circuits, providing mechanical stability and efficient heat transfer. It is designed for through-hole PCB (Printed Circuit Board) mounting, where the leads are inserted through holes in the PCB and soldered on the opposite side. Please note that while the TOP256EG is typically offered in a TO-220 package, it's always important to refer to the manufacturer's datasheet or official documentation for the most accurate and up-to-date information on the package type for the specific part number you are referring to.

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