ATH06T033-9SJ

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DC-DC converters are electronic devices used to convert a direct current (DC) voltage from one level to another, usually as a step-up or step-down. Generally, they use an input voltage or current and generate an output voltage or current that is higher or lower than the input voltage or current. Depending on the converter type, they can provide up to 99.9% power transfer efficiency. ATH06T033-9SJ is one of the most popular non-isolated DC-DC converters. This article will focus on discussing the application field and working principle of ATH06T033-9SJ.

Application Field of ATH06T033-9SJ

ATH06T033-9SJ is a high-efficiency non-isolated DC-DC converter with an output voltage of 3.3V and an input voltage ranging from 4.5V to 24V. It is expected to have an efficiency up to 96.7%, providing up to 20W of output power with a current management module. ATH06T033-9SJ applies especially to applications such as automotive infotainment system, industrial automation, white goods, uninterruptible power supply (UPS), LED lighting and EV charger.

ATH06T033-9SJ is built with a 4-pin package, and is safety approved with UL/cUL/EN/CB/FCC 62368-1. It has many excellent features, including wide input voltage, high efficiency, low ripple&noise, short circuit protection, over-voltage protection, over-temperature protection, over-current protection, and high impedance magnetic isolation. In addition, it has higher power conversion efficiency in lower wattage applications, making it an ideal choice for battery powered applications. These features make it a preferred choice in many applications.

Working Principle of ATH06T033-9SJ

The working principle of ATH06T033-9SJ is based on non-isolated buck topology, which is a type of DC-DC converter. A buck converter involves a transformer with two windings or inductors, one primary and the other secondary. It works by regulating the voltage from the input to the output by using a switching element. The switching element is either a transistor, a diode, or a simple mechanical switch. This switching element helps to achieve higher efficiency and allows the voltage output to be regulated by controlling the duty cycle of the control signal. It can also work as step-up and step-down DC-DC converter.

ATH06T033-9SJ uses PFM (pulse-frequency modulation) technology to maintain a constant power output over a wide varying input voltage range, thus improving efficiency by up to 96.7%. The PFM controller of ATH06T033-9SJ can automatically adjust the frequency and duty cycle of the control signal to maintain a constant output. It also limits the peak current to protect the components from over-current. ATH06T033-9SJ has low ripple & noise, making it suitable for high-sensitivity applications like embedded systems and networking.

Conclusion

In conclusion, ATH06T033-9SJ is an excellent non-isolated DC-DC converter with wide input voltage, high efficiency, and multiple protection features. Its non-isolated buck topology and PFM technology help to significantly reduce cost, improve efficiency, and increase reliability. ATH06T033-9SJ is suitable for many applications, such as automotive infotainment systems, industrial automation, white goods, uninterruptible power supply (UPS), LED lighting, and EV charger.

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