REC7.5-1212DRW/H1/A/M/SMD/CTRL-R

Series:	ECONOLINE REC7.5
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	9V
Voltage - Input (Max):	18V
Voltage - Output 1:	12V
Voltage - Output 2:	-12V
Voltage - Output 3:	--
Current - Output (Max):	312mA, 312mA
Power (Watts):	8W
Voltage - Isolation:	1kV
Applications:	ITE (Commercial), Medical
Features:	Remote On/Off, SCP
Operating Temperature:	-40°C ~ 71°C
Efficiency:	85%
Mounting Type:	Surface Mount
Package / Case:	24-SMD Module, 18 Leads
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Control Features:	Enable, Active Low

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DC DC Converters

Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R, being one of the models of DC DC converters, is a line of DC/DC power supplies for use in variable and fixed rail applications. It can accept 5V to 32V input voltage and provide 48A of isolated output power. This converter features a wide input voltage range, high efficiency, advanced thermal management, and excellent current sharing capabilities. It also has a wide operating temperature range and meets both RoHS and UL/IEC safety requirements.

Application Field

The Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R is highly suitable for railway systems and other related applications. It supports a wide range of service teams, including track maintenance, signal power, gate power, vehicle power and other ancillary equipment required for railway systems. Its wide input voltage range allows it to be used in a variety of different railway applications such as on-board data communication, passenger control systems, ticketing management and passenger information systems.

Working Principle

The Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R uses the buck-boost topology to convert the input voltage to a specified output voltage. The buck-boost topology is a type of DC-DC conversion where the input voltage is higher or lower than the output voltage. It is based on a switching technology such as pulse-width-modulation (PWM) which is used to regulate the power supply output.In the buck-boost topology, the DC input voltage is first stepped down with the help of a transformer or inductor, and then a switch is used to discharge the voltage to the desired output. During the transitioning phase, the voltage is stored in an inductor which acts as an energy storage element and then released into the output when the switch is opened. This process is repeated over and over again to maintain a steady output voltage.The Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R also includes an advanced current-limiting feature which enables it to reduce current draw in case of an overload. This feature helps to prevent damage to the power supply or other connected components in the circuit. The voltage regulation of this converter is also maintained by using a high-performance switching controller. The controller is designed to operate in high-temperature conditions and is capable of adjusting the switching frequency as well as current limits, as required.The Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R also features advanced thermal management and features an integrated heat sink and fan that helps to dissipate heat and keep the power supply temperature in check. This reduces the risk of thermal overload and helps to ensure a reliable and efficient performance.

Conclusion

The Rec7.5-1212DRW/H1/A/M/SMD/CTRL-R belongs to the family of DC/DC converters, and it is the perfect power supply solution for railway applications. It utilizes the buck-boost topology in order to convert the input voltage to the required output voltage and also features advanced current-limiting, thermal management systems, and a high-performance switching controller. The wide range of features makes this converter suitable for a variety of railway systems, ensuring an effective and reliable power supply.

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