STR-A6069HD

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The STR-A6069HD is a type of power management integrated circuit (PMIC) specifically designed for AC/DC converters and offline switchers. With the ability to rapidly convert input power from alternating current (AC) to direct current (DC), this PMIC is the ideal choice for small, low-power offline applications. It is especially robust and reliable, making it the ideal choice for off-grid applications where high reliability and efficiency are desired.

The STR-A6069HD is designed to efficiently convert AC voltage in the range of 120–277VAC to DC voltage between 19V and 48V continuously, with a high precision level-shift control and low peak current draw. It can also handle up to 24A and can achieve power conversion efficiency of up to 97%. Its low-ripple output voltage is of good stability, which makes the STR-A6069HD suitable for any portable electronic device powered from mains AC.

The STR-A6069HD has a range of features that make it suitable for many applications. It features a built-in feedback loop which allows for adjustable output voltage and comprehensive overload protection to ensure high reliability. It also has a power factor corrector (PFC) boost section, providing improved output voltage accuracy, while the integrated current limit assures high transient protection in the event of an overload. Furthermore, the STR-A6069HD has a wide input frequency range which enables the use of multiple power sources. It also has a standby power consumption levels that are low enough to meet the requirements of EU Directive 2009/125/EC (ErP Lot 6), meaning that it is suitable for use in handheld devices.

The working principle of the STR-A6069HD consists of two distinct stages. In the first stage, an AC voltage is applied from the line voltage source and an inductor is used to transform that voltage into a DC voltage. This DC voltage is then rectified by a power diode, creating a regulated DC output for the load. The second stage is a level-shifting control circuit, which controls the parameter of DC output voltage by regulating the basic current. It uses the pulse-width modulation (PWM) technique to convert the AC input voltage into the DC output voltage with the desired regulation.

The STR-A6069HD offers excellent performance with numerous benefits that make it a viable option for many power supply applications. It is an easy-to-use and reliable device, and its wide input voltage range makes it compatible with multiple AC power sources. It also has low standby power losses, ensuring high efficiency and low-cost operation. In addition, the STR-A6069HD is compliant with the EU Directive 2009/125/EC (ErP Lot 6), making it suitable for use in handheld devices.

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