LFA240F-48-SNR

Current - Output (Max):	5A
Approvals:	CE, cURus, TUV
Minimum Load Required:	No
Size / Dimension:	7.09" L x 3.31" W x 1.83" H (180.1mm x 84.1mm x 46.5mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-10°C ~ 70°C
Efficiency:	87.5%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	LF
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input:	85 ~ 264 VAC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Active

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AC DC Converters

The LFA240F-48-SNR AC/DC converter from LFA Technology is a high efficiency, compact ac-dc converter for use in a wide range of applications. This converter provides a wide input voltage range from 110VAC to 240VAC and output voltage is adjustable between 3.3V to 48V. It can provide up to 240W output power and is designed to operate at a constant current output. The LFA240F-48-SNR converter comes with a built-in EMI filter, soft start and overload, over temperature, and overvoltage protection.

Working Principle

The LFA240F-48-SNR converter uses an advanced, full-bridge design to convert AC voltage into DC. This AC/DC converter features superior efficiency thanks to its isolated switch-mode power supply and synchronous rectification technology. The LFA240F-48-SNR converter has a wide input voltage range and a constant current output. The input current can be monitored via the onboard LED indicator, which helps the user know when the device needs to be shut down for protection. The heart of the LFA240F-48-SNR converter is the full-bridge, which includes four bridge rectifiers and four main switches. The bridge rectifiers are connected to the primary winding of the transformer, which is responsible for converting the AC voltage to a DC voltage. The main switches are powered by the DC voltage from the bridge rectifiers and are used to regulate the voltage and current in the output. The secondary winding of the transformer takes the output DC voltage and sends it to the output terminal.

Protection Features

The LFA240F-48-SNR AC/DC converter is built with protection features that provide enhanced safety and reliability. The built-in EMI filter eliminates interference from other electronic devices and provides a clean signal used for regulation. The soft start feature prevents the system from inrush current and overvoltage protection prevents damage from excessive input voltages. In addition, the LFA240F-48-SNR converter also features over temperature protection, which automatically shuts down the system to prevent further damage or power failure.

Application Field

The LFA240F-48-SNR AC/DC converter is ideal for applications in the industrial, automation and medical fields due to its small size, high efficiency, and reliable performance. This device can also be used in applications that require remote monitoring and control such as remote sensing modules, remote data loggers, surveillance systems, and wireless communication systems. The LFA240F-48-SNR AC/DC converter also provides an ideal solution for any application requiring a constant power source such as energy storage systems and telecom equipment.

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