TOP264KG-TL

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Power conversion electronic products, such as AC-DC converters, offline switchers, and so on, play an important role in the field of electrical engineering. The TOP264KG-TL, a single-phase synchronous buck topology converter IC, is one such power conversion product with a wide range of applications and concise dimensions. As a cost-effective, pressure-based element for power electronics applications, the TOP264KG-TL has been widely used to convert input voltage of up to 264V AC into regulated output voltage of up to 230V DC.

The TOP264KG-TL power converter follows a synchronous buck topology. This topology enables it to regulate output voltage while maintaining a tight output voltage regulation. Further, its integrated topology allows the chip to provide a low external parts count, a low profile, and improved power conversion efficiency. Moreover, the TOP264KG-TL provides a peak power of up to 12W and is based on an operating frequency of 200KHz.

The key features of the TOP264KG-TL converter IC are as follows. First, the IC has an integrated over-current protection circuit, which helps protect the converter from damage due to high currents. Second, the TOP264KG-TL has an integrated under-voltage lock-out that shuts down the converter if the input voltage is too low. Third, the converter has a temperature compensation function. This allows the converter to adjust its output voltage based on its operating temperature. Fourth, the integrated circuit has built-in EMI filters, so it can operate without additional filtering components. Fifth, the IC is designed to provide a very low output ripple voltage.

The TOP264KG-TL converter is a cost-effective, universal, and reliable product with wide ranging applications. Its integrated features such as over-current protection, temperature compensation, low-ripple, and EMI filtering make the chip suitable for use in various applications, including off-line LED lighting, power adapters, industrial automation, LCD monitor power supplies, and battery chargers. Additionally, the small footprint and low external parts count makes the converter suitable for the use in space-constrained applications, such as telecom equipment, industrial automation, and computer/medical systems.

To operate the TOP264KG-TL, the user needs to connect the converter to an AC power source and adjust the applied voltage to the required output voltage. As stated earlier, the voltage can be adjusted by the built-in temperature compensation circuit. The external components, such as the input and output capacitors, the external sense resistor, and the bootstrap capacitor, must be connected in the correct manner. Then, the output voltage must be adjusted using the external potentiometer, which is connected to the chip\'s sense pin. Finally, the chip is launched by applying a logic-level low signal to the pin labeled as "EN".

In conclusion, the TOP264KG-TL is a cost-effective AC-DC converter IC that offers several features, such as over-current protection, temperature compensation, low-ripple, and EMI filtering. The device can be used in various applications, including off-line LED lighting, power adapters, industrial automation, LCD monitor power supplies, and battery chargers. Additionally, the small form factor of the TOP264KG-TL converter makes it an ideal choice for use in small form-factor electronic systems.

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