PXB15-48WS3P3/NT

Current - Output (Max):	4A
Control Features:	Enable, Active Low
Size / Dimension:	1.00" L x 1.00" W x 0.39" H (25.4mm x 25.4mm x 9.9mm)
Package / Case:	6-DIP Module
Mounting Type:	Through Hole
Efficiency:	86%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	15W
Series:	PXB
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters: PXB15-48WS3P3/NT Application Field and Working Principle

DC-DC converters are integral components in power systems. They are used to step up or step down a range of input voltages into a desired output voltage. The PXB15-48WS3P3/NT, manufactured by Powerbox International, is one such converter. This article will examine the application field and working principles of the PXB15-48WS3P3/NT DC-DC converter.

Application Field

The PXB15-48WS3P3/NT converter is designed to accept a range of inputs from 9V to 60V and convert them into a 15V output voltage. This makes it suitable for applications such as distributed power network, industrial control systems, computer peripheral systems and instrumentation. Moreover, it has an operating temperature range of -40°C to +85°C, making it suitable for applications in extreme environmental conditions. The PXB15-48WS3P3/NT is also designed to provide a short-circuit protection as well as overvoltage protection. This makes it an ideal choice for applications that require reliable and stable power supplies.

Working Principle

The PXB15-48WS3P3/NT is based on flyback topology that utilizes a minimum number of components. It consists of four main components: a transformer, a diode, a switch and a control circuit.The transformer is responsible for efficiently converting the input voltage. The diode is used to convert the alternated voltage from the transformer to a direct voltage. The switch is then employed to control the amount of current supplied to the load circuit. Finally, the control circuit is used to regulate the voltage and current supplied to the load circuit.The operation of the PXB15-48WS3P3/NT DC-DC converter begins with the switch being activated, allowing the input current to flow through the transformer and the diode. The energy is then stored in the transformer, producing a voltage spike in the primary winding. While the switch is in the on state, the voltage spike is passed through the diode, producing a DC output voltage. When the switch enters the off state, the magnetic field inside the transformer begins to collapse, inducing a voltage in the secondary winding. This voltage is then rectified by the diode, producing a regulated DC voltage at the output of the converter. The frequency of the oscillations and the amount of energy stored in the transformer can be controlled by the control circuit.

Conclusion

The PXB15-48WS3P3/NT converter is an efficient and reliable DC-DC converter capable of providing regulated outputs from a range of inputs. Its tight operating temperature range and inbuilt short-circuit and overvoltage protection make it suitable for applications in distributed power networks and industrial control systems. Its flyback topology utilizes a minimum number of components to convert an input voltage into a regulated output voltage.

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