RAC05-3.3SA-ST

Power (Watts):	5W
Approvals:	CE, cURus
Minimum Load Required:	--
Size / Dimension:	3.78" L x 2.12" W x 0.83" H (96.0mm x 53.9mm x 21.0mm)
Mounting Type:	DIN Rail
Features:	DC Input Capable, Universal Input
Operating Temperature:	-25°C ~ 70°C (With Derating)
Efficiency:	62%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	POWERLINE RAC05-A
Current - Output (Max):	1.5A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input:	90 ~ 264 VAC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Not For New Designs

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. AC DC Converters: RAC05-3.3SA-ST Application Field and Working PrincipleAC/DC converters are electronic devices used to convert alternating current (AC) to direct current (DC). This device is used in various applications, including power supplies, motor drives, and battery charging systems. The RAC05-3.3SA-ST AC/DC converter is one such device. This converter employs a full-bridge topology and includes synchronous rectification, overload protection and auto restart functions to ensure reliable and safe operation. In this article, we will look at the application field and working principle of the RAC05-3.3SA-ST AC/DC converter in detail.Application Field of RAC05-3.3SA-ST AC/DC ConverterThe RAC05-3.3SA-ST AC/DC converter is designed for general purpose, isolated, low-voltage, single-phase power conversion. It is suitable for use in a wide variety of electronic devices, such as TVs, VCRs, industrial and medical equipment, and traffic control systems. The converter also finds applications in consumer electronics, such as LCD TVs, DVD players, game consoles, and computer monitors.Working Principle of RAC05-3.3SA-ST AC/DC ConverterThe RAC05-3.3SA-ST AC/DC converter uses a switched-mode power supply (SMPS) topology. The basic operation of this topology involves alternating between two main processes: conversion of input power from an AC source to DC voltage, and regulation of the output voltage.During the voltage conversion process, AC power is applied to the output terminals of the converter. The alternating current is rectified and the resulting direct current is switched at high frequency by power transistors. This reduces current stress on the components, resulting in greater efficiency and reduced size and weight of the converter.The output voltage is regulated by a voltage regulator circuit, which senses the output voltage through an internal feedback loop and adjust the frequency of the power switch as required. This results in accurate output voltage regulation.The RAC05-3.3SA-ST AC/DC converter also includes other features such as over-temperature protection and auto restart. The over-temperature protection ensures the safe operation of the converter and will shut off power if the converter’s internal temperature exceeds a certain threshold. The auto restart function will restart the converter automatically if power is lost or if the output voltage drops too low.ConclusionIn conclusion, the RAC05-3.3SA-ST AC/DC converter is a versatile and efficient device that is suitable for a wide range of applications. It combines a full-bridge topology with features such as synchronous rectification, overload protection and auto restart to ensure reliable and safe operation.

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