PQC250-54

Power (Watts):	250W
Approvals:	CCC, cCSAus, CE, TUV
Minimum Load Required:	No
Size / Dimension:	5.00" L x 3.00" W x 1.38" H (127.0mm x 76.2mm x 35.1mm)
Mounting Type:	Chassis Mount
Features:	Load Sharing, PFC, Remote Sense, Standby Output, Universal Input
Operating Temperature:	-10°C ~ 70°C (With Derating)
Efficiency:	95%
Voltage - Isolation:	4kV
Applications:	ITE (Commercial), Medical
Series:	PQC250
Current - Output (Max):	4.6A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	54V
Voltage - Input:	90 ~ 264 VAC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC/DC Converters: PQC250-54 Application Field and Working Principle

AC/DC converters are components that allow electrical signals to be switched between alternating current (AC) and direct current (DC) voltage. They are essential components of many electrical circuits, and can be found in all kinds of electrical equipment and appliances. The PQC250-54 is a two-stage, high-efficiency AC/DC converter that has been designed for use in military and aerospace applications. In this article, we will look at the application field of the PQC250-54, and its working principle.

Application Field of the PQC250-54

The PQC250-54 has been specifically designed for use in military and aerospace applications, where its high power-conversion efficiency makes it an ideal choice. These applications include:

• Power systems in aircraft, UAVs (unmanned aerial vehicles), spacecraft, and manned space vehicles.
• Radar systems, electronic warfare, and communications.
• Command and control.
• Data acquisition systems, robots, industrial control systems.
• Heavy machinery control and navigation systems.

The PQC250-54 is also suitable for commercial applications. It can be used to power or recharge batteries, and can be used to convert AC to DC power for portable devices.

Working Principle of the PQC250-54

The working principle of the PQC250-54 is based on a two-stage process: the first stage converts AC power to DC power, while the second stage controls the output voltage. This is called “Phase Shifted Control”.The first stage involves the use of two power switches, usually MOSFETs. The AC power is applied to the power switches to create an alternating series of high and low outputs. This alternating DC waveform is then applied to the primary winding of the transformer. The second stage uses a technique known as phase-shifted control to ensure that the output voltage accurately reflects the input waveform. This is done by adjusting the delay between the output signals of the two power switches, so that the output waveform is shifted in phase. By adjusting the timing and magnitude of the power switches, the output waveform can be adjusted to match the desired output voltage.The main advantages of the PQC250-54 AC/DC converter are its high efficiency, power density, ultra-low harmonic distortion, and fast transient response. Its two-stage design minimizes power-conversion losses, and makes it suitable for a wide range of applications. And its phase-shifted control method makes it easy to adjust the output voltage and adjust for load variations.

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