AEE02H18-L

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DC-DC converters are power electronic devices used to convert DC power from one voltage level to the other either higher or lower. A DC-DC converter with model AEE02H18-L is one of these power electronics devices used for a variety of electronics and telecommunication systems. This article will discuss the application field and working principle of the AEE02H18-L converter.

The AEE02H18-L is a high-efficiency, low-noise isolated DC-DC converter designed mainly for telecommunications applications. It is designed for use in converter boards, PDH boards, control systems, switching power supplies as well as for distributed power systems. It is suitable for applications where high power is required. The AEE02H18-L converter features a wide input voltage range from 36 to 72VDC and an output voltage range from 3.3 to 5.5VDC. It also has the capability to deliver up to 18A of output current, making it suitable for high power applications.

The working principle of the AEE02H18-L converter is based on a pulse width modulation (PWM) circuit, which controls the switching of the electronic switches. The PWM circuit consists of a voltage regulator, an oscillator, an error amplifier, and an output voltage sense resistor. The voltage regulator monitors the output voltage and adjusts the duty cycle of the oscillator accordingly. The oscillator then drives the switching elements, which can be either transistors or MOSFETs, and controls their on-time and off-time. The on-time and off-time determine the overall average output voltage. Depending on the load and input voltage, the switching elements also act as a buck converter or a boost converter. The output voltage from the converter is regulated by the error amplifier, which monitors the output voltage and compares it to the reference voltage. If the output voltage falls below the reference voltage, the error amplifier will increase the on-time of the switching elements, resulting in a higher output voltage. On the other hand, if the output voltage is higher than the reference voltage, the error amplifier will reduce the on-time of the switching elements, resulting in lower output voltage.

In conclusion, the AEE02H18-L converter is a high-efficiency, low-noise DC-DC converter designed mainly for telecommunications applications. It features a wide range of input voltage and output voltage, and can deliver up to 18A of output current. The working principle of the Converter is based on a pulse width modulation (PWM) circuit, which controls the switching of the electronic switches. The output voltage from the device is regulated by the error amplifier, which monitors the output voltage and compares it to the reference voltage. This device is suitable for applications where high power is required.

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