RP120Q-4824SRW/N

Current - Output (Max):	5A
Supplier Device Package:	Quarter Brick
Size / Dimension:	2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
Package / Case:	Quarter Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 100°C (With Derating)
Features:	OCP, OTP, OVP, SCP, UVLO
Applications:	ITE (Commercial), Railway
Voltage - Isolation:	2.25kV
Power (Watts):	120W
Series:	POWERLINE RP120-RW
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	24V
Voltage - Input (Max):	75V
Voltage - Input (Min):	16.5V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters: RP120Q-4824SRW/N Application Field and Working Principle

DC-to-DC (DC-DC) converters are electronic devices designed to convert one DC voltage to another. The RP120Q-4824SRW/N is a wide input range input programmable 4kV isolated DC-DC converter. It offers a high efficiency of up to 95% and a wide input voltage range of 18V-75V. It also has remote controlling function to allow the converter to accurately regulate the output voltage. In addition, its power density is among the highest in the industry with up to 15 Watts/cm³.

Application Field

The RP120Q-4824SRW/N is one of the most powerful converter solutions for industrial and communication applications requiring isolation, high power density and high power in a small size. It is also capable of handling up to 36kV pulses making it suitable for industrial applications such as HMIs, battery modules, motors, and controlling systems. Furthermore, this converter is suitable for communication applications such USB3.1 designs, smart meters, network backhauls, PoE, mounted telecom infrastructure, 5G cell radios, DC-DC crossovers, and telecom server designs. It also supports the industrial DC bus system of 110V/220V DC.

Working Principle

The RP120Q-4824SRW/N converter utilizes a primary-switching topology to ensure reliable and efficient operation. This topology has two modes: Continuous Conduction Mode (CCM) and Discontinous Conduction Mode (DCM).In CCM, a constant current is delivered to the output, whereas in DCM, the current is delivered in short bursts to minimize power loss. As the converter operates, the load posed by the output desires and changing loads are monitored and the switching topology is adjusted accordingly.At the input, the DC voltage is rectified and filtered to a voltage value based on the output ratings. After that, the power is selectively routed in order to provide the appropriate voltage and current to the output terminals.On the output side, a transformer, also called an isolation transformer, is used to provide the desired level of isolation. This transformer produces a DC voltage output that is identical to the input voltage. The rectified and filtered DC voltage is then inverted and converted into the required AC voltage by an inverter.

Conclusion

The RP120Q-4824SRW/N is a powerful and versatile DC-to-DC converter. It features a wide input voltage range of 18V-75V and high efficiency up to 95%. In addition, the converter supports high power density, remote control, and supports high voltage isolation of up to 4KV. Its topology is composed of two mode of operations, CCM and DCM, and it is suitable for industrial and communication applications.

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