TOP266KG

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TOP266KG

+BOM

IC OFFLINE SWITCH FLYBACK 12ESOP

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Specifications

Attribute Value
Package Tube
Series TOPSwitch®-JX
ProductStatus Discontinued at Digi-Key
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 725V
Topology Flyback
DutyCycle 78%
Frequency-Switching 66kHz, 132kHz
Power(Watts) 58 W
FaultProtection Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
ControlFeatures Frequency Control
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 12-BESOP (0.350, 8.89mm Width), 11 Leads, Exposed Pad
SupplierDevicePackage 12-ESOP

Overview

Description

The TOP266KG is a part of the TOPSwitch-JX series by Power Integrations, which are high-performance off-line switcher ICs. These integrated circuits are designed for use in power supplies and convert AC to DC with efficiency and reliability. They incorporate advanced technology that enables precise power control, reduced electromagnetic interference (EMI), and improved energy efficiency.
Key features of the TOP266KG include a wide input voltage range, high efficiency, and integrated protection mechanisms such as over-temperature, over-voltage, and over-current protection. It supports both flyback and forward converter topologies, making it versatile for various applications including consumer electronics, industrial systems, and appliances.
The device's compact design reduces the component count and simplifies the power supply design process, leading to cost-effective and space-saving solutions. Additionally, the TOP266KG is known for enhancing standby performance, meeting stringent energy efficiency standards like Energy Star and European CoC.
This IC is ideal for engineers looking to develop efficient, compact, and reliable power conversion solutions.

Equivalent

The TOP266KG is a member of the TOPSwitch-JX series by Power Integrations, designed for off-line switcher applications. Equivalent products may include other models within the TOPSwitch-JX series, such as the TOP264KG or TOP265KGdepending on the specific power and feature requirements. Additionally, similar products might be found in other series like the TOPSwitch-HX or from other manufacturers such as the LNK series by Power Integrations or comparable offerings from ON Semiconductor or STMicroelectronics. Always check datasheets for compatibility.

Features

The TOP266KG is a member of the TOPSwitch-JX family, designed for off-line switcher ICs, ideal for power supply applications. Here are its key features:
1. Integrated Controller and MOSFET: Combines a high-voltage power MOSFET with a controller in a single chip, reducing component count and simplifying design.
2. Efficient Performance: Offers high efficiency across the load range, with low standby power consumption, suitable for energy-efficient designs.
3. Advanced Protection Features: Includes over-temperature, over-voltage, over-current, and output short-circuit protection to enhance reliability and safety.
4. Frequency Jittering: Reduces EMI emissions by spreading the energy across a wider frequency range.
5. EcoSmart Technology: Minimizes energy usage during no-load and light-load conditions.
6. Programmable Features: Allows for customization of current limit, switching frequency, and line under-voltage/over-voltage protection, providing flexibility in design.
7. Wide Range of Applications: Suitable for use in adapters, chargers, consumer electronics, and industrial power supplies.
This combination of features makes the TOP266KG a versatile and energy-efficient solution for power supply designs.

Pinout

The TOP266KG is a member of the TOPSwitch-JX family by Power Integrations, which are off-line switcher ICs. It typically comes in a TO-220-7C package, meaning it has 7 pins. The pins serve the following functions:
1. D (Drain): Connects to the high-voltage power supply and switches the current to the transformer primary.
2. C (Control): Used for feedback, compensation, and control loop stabilization.
3. S (Source): Ground reference for the controller and the switch.
4. F (Frequency): Allows selection of the operating frequency of the device.
5. BP/M (Bypass/Multi-function): Provides the IC’s internal power supply and can be used for external program functions.
6. EN/UV (Enable/Under-voltage): Used for enabling the IC operation and under-voltage lockout.
7. V (Voltage Monitor): Monitors the output voltage for overvoltage protection.
These functions provide the necessary support for efficient power conversion, maintaining regulation, and ensuring protection features in power supply designs.

Manufacturer

The TOP266KG is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in the development and manufacturing of high-performance components used in high-voltage power conversion. Their products are commonly used in a wide range of electronic devices, including power supplies for consumer electronics, computers, appliances, lighting, and industrial applications. The company is known for its innovations in energy-efficient power conversion technologies.

Application

The TOP266KG is a highly integrated power supply IC used in a variety of applications. It is commonly found in consumer electronics, such as TVs, DVD players, and set-top boxes, due to its efficiency and compact size. Additionally, it's used in power adapters for mobile devices, laptops, and other portable electronics. Industrial applications include power supplies for automation systems and control panels. The IC's robust protection features and energy efficiency make it suitable for LED lighting and smart home devices as well. Its versatility and reliability are key reasons for its widespread use in these areas.

Package

The TOP266KG is a type of power integrated circuit produced by Power Integrations. It comes in a "eSIP-7C" package, which is a through-hole mounting package designed to provide efficient thermal performance and is suitable for high-power applications.

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