AA30T051212D

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The AA30T051212D AC-DC converters are used to convert the input voltage into a constant DC voltage output. This converter is commonly used in applications like telecom, medical, or industrial power supplies. It requires only an external capacitor and inductor to ensure a stable output. It can be used as replacement for traditional linear power supplies when the application requires higher reliability and power efficiency.

Features of AA30T051212D AC-DC Converters

• Single output voltage of 5 V
• Input voltage range of 85VAC to 265VAC
• Voltage adjustment range of 4.75V to 5.25V
• No derating until 55°C ambient temperature
• Input surge voltage protection
• Overvoltage and short circuit protection
• Efficiency up to 87 %
• Built-in power factor correction
• Very low start up current (less than 10mA)

Working Principle of AA30T051212D AC-DC Converters

The AA30T051212D AC-DC converter uses a switching circuit to convert the input AC voltage into a uniform DC voltage output. The switching circuit is composed of an inductor, a diode, and a transistor. The output voltage of the converter is set by the duty cycle of the switching circuit. The circuit works by using the inductor to store energy when the power switch is turned on, and then using the diode to convert the stored energy into a regulated DC voltage when the power switch is turned off.

The power switch is controlled by a CMOS IC, which can switch the power at high frequencies and with great accuracy. The output voltage is then monitored by a feedback loop, which ensures the output of the converter is always within the predetermined limits. The built-in power factor correction ensures the input power is used efficiently.

Applications of AA30T051212D AC-DC Converters

The AA30T051212D AC-DC converter is well-suited for a wide range of applications. It can be used in medical instruments, industrial automation devices, telecom systems, battery chargers, and more. The high reliability, power efficiency, and wide input voltage range make it a great choice for these applications.

The AA30T051212D AC-DC converter is also useful for distributed power architectures, due to its ability to operate over a wide input voltage range and its low start-up current. This makes it well-suited for applications where multiple devices need to be powered from a single power supply.

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