PT4482C

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DC DC Converters are becoming increasingly popular in commercial, military and consumer applications due to their excellent energy efficiency. The PT4482C by BiSonic is a high efficiency DC to DC converter that can provide an output voltage of up to 18V from a wide input voltage range of 3V to 48V. This makes it suitable for a wide variety of applications.

The PT4482C features an integrated switching controller, FET switch, and output filter. It utilizes high frequency current mode control with peak current mode operation, and features a fast transient response for superior load regulation and output voltage ripple. The controller offers very high efficiency of up to 96%, which allows it to be used in environments where power consumption and energy efficiency are important factors.

The PT4482C has a single-ended input and two outputs, allowing for simultaneous supply of two outputs. The two outputs have current limits set through external resistors, and the input voltage is monitored and protected against over-voltage and reverse polarity. The integrated circuit is designed to be used in applications with high efficiency and good transient performance, and comes in a standard SOP package.

The working principle of the PT4482C can be broken down into two parts. The first part is the power stage, in which the input voltage is rectified and filtered. This DC voltage is sent to the frequency-controlled converter, which produces a low-voltage AC voltage. This AC voltage is then rectified and filtered again to produce the output DC voltage.

The second part of the working principle is the control circuit. This is the part that monitors the output voltage and regulates it to the desired level. It also regulates the driving duty cycle to adjust the output power. Both of the two parts together ensure a high efficiency and reliable performance of the DC DC converter.

The PT4482C DC DC converter has a wide range of applications, such as in automotive, industrial, communication systems and medical equipment. With its outstanding efficiency, high performance and wide input voltage range, it is a great choice for meeting the needs of many applications.

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