ICE5QR2280AZXKLA1

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ICE5QR2280AZXKLA1 is an IC (Integrated Circuit) that housed inside a TO-220 package. It is a PMIC (Power Management Integrated Circuit) with the specialty of a high level of functionality in AC to DC power conversion and offline switching that offer users a simplified high performance solution for a wide range of applications.

The IC is designed with a low voltage control, the control behavior is different from traditional ACDC converters as it requires fewer external components for proper operation. The total harmonic distortion is below specified for a certain load condition and is typically around 5%. Also this IC has an optimized short circuit protection system to ensure safety from accidental short circuit. It also has an integrated protection circuitry that guards against ESD, surge and over-current damage.

The power supply circuit is based on a PFC (Power Factor Correction) pre-regulator and a buck converter that provides a stable DC output without any need for external components. The operating current range of ICE5QR2280AZXKLA1 spans from 0.5A to 12A at output power up to 80W, with a wide range of supported output voltages of 5V to 48V. The LED backlight driving circuit of the IC is able to provide either step up or step down voltage conversion.

The typical applications of ICE5QR2280AZXKLA1 include portable devices, such as laptops and tablets, and general purpose ACDC converters, that ideal for powering embedded systems, AC to DC switching, battery charging and lighting. In addition, it can be used for monitoring and control as well as for smart home applications and automotive systems.

ICE5QR2280AZXKLA1 is based on the principle of offline switching. In offline switching, the output voltage is generated directly from the input voltage, by using power transistors. The output voltage is regulated using a system of feedback circuits, which measure the output voltage and control the switching of the power transistors to adjust the output voltage to the required level.

The feedback circuit includes an optocoupler, which isolates the control circuit from the power transistors. The optocoupler is also used to provide protection against disruptive over currents. Other components of the feedback circuit include a comparator and a resistor, which adjust the switching frequency of the power transistors to maintain the desired output voltage. This approach results in high efficiency, reduced size and improved power density.

In addition, the ICE5QR2280AZXKLA1 IC provides support for over temperature protection (OTP), to ensure the device does not overheat during operation. The integrated circuit is also equipped with a low noise frequency modulation system, which ensures that the switching noise is reduced to a minimum. This IC also supports programmable under voltage protection, meaning that the IC can shutdown when the input voltage dips below a certain level.

Overall, the ICE5QR2280AZXKLA1 is an excellent choice for applications that require a high level of performance and functionality in AC to DC power conversion and offline switching. Its compact size and low voltage control make it an ideal choice for small form factor applications.

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