RP180H-2412SRW/N

Current - Output (Max):	12A
Supplier Device Package:	Half Brick
Size / Dimension:	2.40" L x 2.28" W x 0.48" H (61.0mm x 57.9mm x 12.1mm)
Package / Case:	Half Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 115°C (With Derating)
Features:	Remote On/Off, OCP, OTP, OVP, SCP, UVLO
Applications:	ITE (Commercial), Railway
Voltage - Isolation:	2.25kV
Power (Watts):	144W
Series:	POWERLINE RP180-RW
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	36V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters: RP180H-2412SRW/N Application Field and Working Principle

DC/DC converters are electronic devices which convert a DC input voltage to a DC output voltage of a different magnitude. The RP180H-2412SRW/N is one such type of DC/DC converter specifically designed for applications needing isolation and noise reduction. This paper aims to introduce the application field and working principle of the RP180H-2412SRW/N converter.

Applications

The RP180H-2412SRW/N is designed for communications systems, instrumentation, power supplies, and automation systems that employ isolation. It is valuable for applications such as isolating sensitive circuits from noisy power sources, providing an isolated voltage for regulated power supply, and to galvanically isolate industrial controllers from their line power sources.The RP180H-2412SRW/N’s alternating transformer-coupled primary and secondary windings, plus the two integrated strain reliefs, provide superior isolation as compared to other DC/DC converters. The high immunity to ESD (electrostatic discharge) and EMI (electromagnetic interference) makes it a reliable and efficient choice for applications needing noise and interference immunity.

Working Principle

The RP180H-2412SRW/N is a transformer-based DC/DC converter. It consists of a transformer with two sensing coil windings, a full bridge diode rectifier, controller integrated circuits, and a transformer tap for output adjustment.The transformer used in the converter is an alternating voltage transformer that isolates the input and output. This transformer also has two sensing coil windings, each connected to one of the transformer’s two secondary windings. The sensed signal is used by the control circuit to regulate the output voltage.The full bridge diode rectifier is used to convert the ac voltage from the transformer into dc voltage. This dc voltage is then used by the controller system to regulate the output voltage.The controller integrated circuits are used to regulate the dc voltage from the bridge rectifier and adjust it to the desired output voltage. The controller can also be used to set other parameters, such as limiting the output current to prevent overload.The transformer tap is used to adjust the output voltage. By changing the tap voltage, the output voltage can be adjusted as desired.

Conclusion

The RP180H-2412SRW/N is a transformer-based DC/DC converter designed to provide superior isolation, noise reduction, and EMI/ESD immunity. It is suitable for applications needing transformer-based isolation and is used in communication systems, instrumentation, power supplies, and automation systems. By using a full bridge diode rectifier and a transformer tap to provide adjustable output voltage, the RP180H-2412SRW/N achieves its efficient and reliable performance.

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