LPS-75-3.3

Power (Watts):	50W
Approvals:	CB, CE, cURus, TUV
Minimum Load Required:	No
Size / Dimension:	8.74" L x 2.17" W x 1.18" H (222.0mm x 55.0mm x 30.0mm)
Mounting Type:	Chassis Mount
Features:	Adjustable Output, Remote On/Off, Universal Input
Operating Temperature:	-20°C ~ 70°C (With Derating)
Efficiency:	69%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	LPS-75
Current - Output (Max):	15A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input:	90 ~ 264 VAC, 127 ~ 370 VDC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC DC ConvertersAC DC converters, also known as AC-DC power supplies, use a rectifier in combination with a device such as a transformer or inductor to convert alternating current (AC) power to direct current (DC) power. The most common type is the switched-mode power supply (SMPS), which converts AC power to DC through a switching process.The AC-DC converter, LPS-75-3.3, is a rugged, compact, self-contained unit designed for powering high-end communications and industrial equipment applications that require low output ripple and noise. It features a full-featured digital-controlled power supply built into a 3.3V output voltage module. This model provides up to 75W of power, with a minimum load of 30W, and is suitable for powering a variety of applications.The LPS-75-3.3 offers the convenience of two AC input sources, 24V AC or 48V AC, and features a wide adjustability range of 14V-48V AC. The operating temperature range is 0-50°C and the ambient temperature should also be maintained within 65%RH. The LPS-75-3.3 has over temperature protection, over voltage protection, and over current protection.The working principle of the LPS-75-3.3 can be broken down into two main components. Firstly, the rectifier circuit transforms the raw AC input voltage into a DC voltage, which is then regulated by the power supply. Once the DC voltage is regulated, it is then transformed by the regulator into a stable output voltage, which can be used to power the load. The rectification process starts with a diode bridge. This diode bridge rectifies the AC input voltage by converting it to a DC. The output of the rectification process is then filtered by a capacitor, which helps reduce the amount of ripple in the DC voltage. This rectified DC voltage is then passed through a transformer, which is used to regulate and condition the voltage output from the rectifier. The transformer is responsible for stepping up and down the voltage to the desired output, providing isola-tion between the input and output.The regulator of the LPS-75-3.3 then controls the voltage output from the transformer, regulating it to the desired level. This power supply uses a linear regulator, which is a type of voltage regulator that employs a series of transistors to control the voltage level. The regulator is responsible for maintaining a constant voltage output despite changes in load or input voltage.The LPS-75-3.3 is an ideal power supply for high-end communication and industrial equipment applications. It offers great performance and easy operation, along with a wide range of features and protections. This power supply is reliable, rugged, and compact, making it suitable for a variety of applications that require low output ripple and noise.

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