TOP268EG

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TOP268EG

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IC OFFLINE SWITCH FLYBACK 7ESIP

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Specifications

Attribute Value
Package Tube
Series TOPSwitch®-JX
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 725V
Topology Flyback
DutyCycle 78%
Frequency-Switching 66kHz, 132kHz
Power(Watts) 148 W
FaultProtection Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
ControlFeatures Frequency Control
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
SupplierDevicePackage eSIP-7C

Overview

Description

TOP268EG is likely a designation for a specific model or part number, possibly related to electronics or semiconductor components. Without specific context, I can provide a general understanding based on typical naming conventions in technology and electronics.
TOP268EG could refer to a component in power management, such as a power converter or a switcher IC (Integrated Circuit). Products like these are frequently used in power supply designs to improve efficiency, manage voltage regulation, or enable compact and cost-effective electronic solutions.
The "TOP" prefix might indicate a family or series name, potentially linked to a particular manufacturer. The numbers "268" could denote the model, version, or specification level within this series. Lastly, "EG" might represent additional model specifications or packaging types, like environmental grade or a particular feature set.
For precise information, you would typically look at the manufacturer's datasheet or product documentation, which provides detailed technical specifications, usage guidelines, and potential applications.

Equivalent

The TOP268EG is a part of Power Integrations' TOPSwitch-HX series, used for high-efficiency power conversion. Equivalent products can be found in other series from Power Integrations, like the TOPSwitch-GX or TinySwitch series, depending on specific application requirements. Alternatively, competitors like ON Semiconductor, STMicroelectronics, or Texas Instruments offer analogous products in their high-voltage switcher IC lines, such as the NCP1207, VIPer series, or UCC28C4x, but ensure to verify specifications for compatibility.

Features

The TOP268EG is a high-performance integrated circuit from Power Integrations, designed primarily for power supply applications. Key features include:
1. Integrated Functions: Combines a high-voltage power MOSFET and a controller in one package, simplifying design and reducing component count.
2. High Efficiency: Employs advanced EcoSmart® technology for excellent energy efficiency, which helps in reducing power consumption and meeting energy regulations.
3. Wide Input Voltage Range: Supports a broad input voltage range, making it suitable for global applications.
4. Burst Mode Operation: Minimizes power consumption during no-load and light-load conditions.
5. Over-Temperature Protection: Includes thermal shutdown to protect the device from overheating.
6. Overvoltage and Overcurrent Protection: Ensures safety and reliability by preventing damage due to voltage spikes and overcurrent conditions.
7. Auto-Restart: Provides automatic recovery from fault conditions, enhancing robustness.
8. Compact Package: Available in an enhanced eDIP package for optimal thermal performance and space-saving design.
These features make the TOP268EG ideal for designing compact, efficient, and reliable power supplies.

Pinout

The TOP268EG is an off-line switcher IC from Power Integrations, designed for efficient and cost-effective power supply applications. It is part of the TOPSwitch-HX series. The IC typically comes in an 8-pin package. Here is a brief overview of its pin functions:
1. D (Drain) - The power MOSFET drain connection. It's the primary switch terminal.
2. S (Source) - The source terminal for the internal power MOSFET and the ground reference for the IC.
3. C (Control) - This pin is used for feedback control. It regulates the output voltage and current.
4. BP/M (Bypass/Multi-Function) - Connect a bypass capacitor for internal current source decoupling or use for additional functionality.
5. F (Frequency) - Sets the switching frequency. Can be connected to the BP/M pin or used with a resistor to alter frequency.
6. EN/UV (Enable/Undervoltage) - Used to enable or disable the IC and for undervoltage lockout.
7. L (Line Sense) - Used to detect the AC line voltage for line overvoltage or undervoltage protection.
8. NC (No Connection) - Unused pin; no internal connection.
This pin configuration facilitates efficient power conversion and incorporates various control and protection features.

Manufacturer

The TOP268EG is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company specializing in the development of high-performance electronic components used in high-voltage power conversion. The company is well-known for its expertise in power conversion technology, which is used in a wide range of devices, including chargers, adapters, LED lighting, and industrial power supplies. Power Integrations focuses on providing efficient and reliable solutions that help reduce energy consumption and minimize electronic waste, aligning with the growing demand for eco-friendly and energy-efficient technologies.

Application

The TOP268EG is a high-performance integrated circuit used in power supply design. Its primary application areas include:
1. Switched-Mode Power Supplies (SMPS): It's used in designing efficient and compact power supplies for electronic devices.
2. AC-DC Converters: The IC is ideal for converting AC power to DC power in various electronics.
3. Industrial Power Systems: It supports power management in industrial control systems.
4. Consumer Electronics: Utilized in power adapters and chargers for personal electronics.
5. LED Drivers: Used in driving LED lighting systems with stable power.
These applications benefit from its high efficiency, reliability, and reduced component count in power supply circuits.

Package

The TOP268EG is a product from Power Integrations, and it typically comes in a plastic through-hole package known as the eSIP-7C (Extended Small Outline Integrated Circuit Package). This package is designed for efficient thermal performance and is commonly used in high-power applications.

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