RP15-123.3SA/N-HC

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, 4 Leads
Mounting Type:	Through Hole
Efficiency:	84%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	15W
Series:	POWERLINE RP15-A
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters: RP15-123.3SA/N-HC Application Field and Working Principle

DC-DC converters are power electronic devices that convert a dc voltage to another dc voltage. They are commonly found in computer power supplies, electronic vehicles, and telecommunications equipment. The RP15-123.3SA/N-HC is a DC-DC converter designed to convert a high voltage input into a lower-voltage regulated output. This article will explore its application field and working principle.

Application Field

The RP15-123.3SA/N-HC is primarily used in applications that require conversion of a high input voltage into a lower, regulated output voltage. Its wide input voltage range and excellent output voltage regulation make it well suited for a variety of power supplies, including industrial electronics, machine tools, power supplies for medical devices, automotive systems, and home appliances. It is also used in solar energy systems where efficient use of energy is essential.

Working Principle

The RP15-123.3SA/N-HC utilizes a pair of MOSFETs (metal-oxide-semiconductor field-effect transistors) to convert a high input voltage into a low-voltage regulated output. The MOSFETs act as switches, controlling the flow of current through the converter. When the voltage at the input is higher than the desired output voltage, the MOSFETs are opened, allowing excess current to pass through and bypass the converter, thus reducing the output voltage. Conversely, when the input voltage is lower than the desired output voltage, the MOSFETs are closed, allowing current to flow through the converter and raising the output voltage.The RP15-123.3SA/N-HC also utilizes an internal error amplifier to compare the input voltage with the desired output voltage. When the two voltages differ, the error amplifier sends an error signal to the MOSFETs, which then adjust their conduction levels to ensure that the output voltage matches the desired output voltage.

Safety Features

The RP15-123.3SA/N-HC is equipped with several safety features to ensure safe operation. It includes overtemperature protection, current limiting, and short circuit protection. Overtemperature protection consists of a temperature sensor that monitors the temperature of the MOSFETs and shuts down the converter if the temperature exceeds a certain threshold. Current limiting protects the converter from excessive current by shutting down the output if the current exceeds a certain limit. And short-circuit protection is designed to prevent the output from becoming shorted, thus protecting both the converter and the load it\'s connected to.

Conclusion

The RP15-123.3SA/N-HC is a DC-DC converter that is designed to convert a high voltage input into a low-voltage regulated output. It is primarily found in applications that require efficient and highly regulated use of high voltage inputs, such as industrial electronics, machine tools, medical devices, automotive systems, solar energy systems, and home appliances. The RP15-123.3SA/N-HC utilizes MOSFETs and an internal error amplifier to convert and regulate its output voltage, and it is equipped with several safety features to ensure safe operation.

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