LPS48

Current - Output (Max):	900mA
Approvals:	CB, CE
Minimum Load Required:	No
Size / Dimension:	5.00" L x 3.00" W x 1.14" H (127.0mm x 76.2mm x 29.0mm)
Mounting Type:	Chassis Mount
Features:	Adjustable Output, DC Input Capable, Remote Sense, Universal Input
Operating Temperature:	0°C ~ 70°C (With Derating)
Efficiency:	70%
Applications:	ITE (Commercial)
Power (Watts):	40W (55W Forced Air)
Series:	LPS40
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input:	85 ~ 264 VAC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC/DC converters are widely used for various types of electric applications. One of the most common types is the LPS48 series from TDK-Lambda, which is designed to reliably convert AC inputs to regulated DC outputs. This article will lay out the various applications in which the LPS48 converter can be used and explain its inner workings.LPS48 converters are suitable for a wide range of applications, from general-purpose industrial control systems to medical equipment and precision instrumentation. The high efficiency and compact size of the LPS48 makes it ideal for use in tight spaces or areas with high temperature or humidity. Its wide operating temperatures ranging from 0°C to 70°C ensures that it is able to carry out all kinds of tasks in any environment.The LPS48 series is a single-output DC-DC converter and comes in five different power ratings, ranging from 20W to 125W, allowing for a wide range of wattage applications. The LPS48 series is equipped with multiple features to enhance its performance, such as over-voltage and over-temperature protection, remote sense, and an isolation rating of up to 3000VAC.The internal process by which the LPS48 converts AC to DC relies on what is known as a “forward converter” circuit. This circuit works by first converting the AC power to DC, and then using an output stage to regulate the output voltage. The forward converter is composed of a power switch, an inductor, an output diode, and a capacitor. The power switch connects the AC input directly to the inductor, which causes a magnetic field to be created. This magnetic field then stores energy and operates as a type of filter. When the power switch is turned off, the energy stored in the inductor is released in the form of current, which produces a DC voltage. This DC voltage is then regulated by the output stage, which uses the output diode and the capacitor to deliver a regulated output voltage.In addition to being easy to install, the LPS48 series is also highly efficient thanks to the use of synchronous rectification and digital adjustment. Synchronous rectification involves using a power switch to rectify the AC input current, resulting in a faster and more efficient switch, while digital adjustment allows for precision control of the output voltage and current. The combination of these two technologies makes the LPS48 series one of the most efficient AC-DC converters on the market.The LPS48 series from TDK-Lambda offers excellent performance, reliability, and efficiency in numerous different applications. Its wide operating temperature and wide wattage range makes it an ideal choice for a variety of different electric applications, from medical equipment to instrumentation. Its “forward converter” circuit design ensures reliable and efficient operation, making it a great choice for any AC-DC conversion.

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