PAH75D48-2518

Current - Output (Max):	15A, 15A
Control Features:	Enable, Active Low
Size / Dimension:	2.40" L x 2.28" W x 0.50" H (61.0mm x 57.9mm x 12.7mm)
Package / Case:	9-DIP Module, 1/2 Brick
Mounting Type:	Through Hole
Efficiency:	74%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	75W
Series:	PAH75D
Voltage - Output 3:	--
Voltage - Output 2:	1.8V
Voltage - Output 1:	2.5V
Voltage - Input (Max):	76V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters - PAH75D48-2518 Application Field and Working Principle

DC-DC converters are used in a variety of applications to step-down or step-up voltage, convert from AC to DC or from DC to AC, and even convert AC to DC/DC or DC/DC to AC. In this article, we will dive into the specific application field and working principle of the PAH75D48-2518 DC-DC converter.The PAH75D48-2518 is a wide input 5V/12V/24V input to 5V/12V/24V output, SIP module type, high efficiency DC-DC converter. Its application field mainly includes power distribution in industrial automation systems, medical instrumentation, railway traction, and communication systems. This converter module has an output voltage overvoltage protection, short circuit start-up protection, and an over-temperature protection for both its input and output terminals. The efficiency of the converter is up to 95%, making it an excellent choice for high power operations.The principle of operation of the PAH75D48-2518 follows the standard DC-DC converter design. It takes an AC or DC input voltage and step it down to the necessary output voltage. In the case of the PAH75D48-2518, the input voltage is rectified and turned into a DC voltage through the process of rectification. The received DC voltage is then converted to a regulated output voltage through a switch-mode control system. The switch-mode control system uses MOSFETs (Metal Oxide Semiconductor Field Effect Transistors) as switches. MOSFETs are used to regulate the output voltage and provide high efficiency.The regulated output voltage is then stepped of up or down to the desired level. This process is achieved by controlling the MOSFETs switching speed. The fast switching speed improves the efficiency along with the size, weight and power consumption compared to a traditional linear regulator circuit.The output voltage is then stabilized by two linear regulators, one for the input voltage and one for the output voltage. The input voltage regulator reduces the voltage ripple input from the external AC or DC power supply. The output voltage regulator is used to maintain the output voltage regulation tolerance of -0.5% to +2.5%. The output voltage regulation also contributes to the improved efficiency of the PAH75D48-2518 DC-DC converter.In conclusion, the PAH75D48-2518 DC-DC converter is an excellent choice for a number of applications such as industrial automation systems, medical instrumentation, railway traction and communication systems. Its high efficiency ensures that power can be distributed efficiently, while the extensive protections provide a secure operation in a variety of conditions. Its switch-mode control system is based on MOSFETs to reduce the size and weight of the converters, as well as the power consumption. With its input and output voltage regulation, the PAH75D48-2518 provides a stable output voltage with minimal voltage ripples.

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