JWS5048/B

Power (Watts):	50W
Approvals:	CE
Minimum Load Required:	--
Size / Dimension:	6.25" L x 3.35" W x 1.45" H (158.8mm x 85.1mm x 36.8mm)
Mounting Type:	Chassis Mount
Features:	Adjustable Output, DC Input Capable, PFC, Universal Input
Operating Temperature:	-10°C ~ 60°C (With Derating)
Efficiency:	79%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	JWS
Current - Output (Max):	1.1A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input:	85 ~ 265 VAC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC DC Converters

The AC DC Converter is an electronic device designed to convert alternating current (AC) to direct current (DC). It is commonly used in power supplies, circuits, and other electronic equipment. A common example of an AC DC converter is the JWS5048/B. This article will explore the application field and working principle of the JWS5048/B.The JWS5048/B is a two stage AC DC converter which is mainly used for switching power supplies, LED drivers, and other consumer electronics. It operates by taking in an AC voltage and converting it to a regulated DC voltage. This is achieved through two stages of power conversion, first convection from AC to DC and then regulation of the DC voltage. The output voltage is adjustable and it supports multiple circuit topologies.The working principle of the JWS5048/B is based on the principles of buck switching regulation. In a buck-converter the DC voltage is converted from a higher voltage to a lower voltage using electronic switches, inductors, and capacitors. The circuit is usually constructed with an input capacitor, a power switch, an inductor and an output capacitor.When a switching cycle begins, the power switch is activated. This causes current to flow through the inductor, generating a magnetic field. As the current passes through the inductor, the magnetic field builds and is stored. When the switch is then momentarily turned OFF, the magnetic field stored in the inductor collapses, releasing the energy stored in the inductor into the output capacitor. This causes the output voltage to rise.The output voltage on the JWS5048/B is regulated by controlling the switching cycles of the power switch. By adjusting the duty cycle of the switch, the amount of energy that is transferred through the inductor can be varied, thus regulating the output voltage of the converter.The JWS5048/B is also equipped with a built-in feature called cycle-by-cycle current limiting. This feature is used to protect the converter from damages caused by excessive output current. When the current level goes above a certain threshold, the cycle-by-cycle current limiting feature will kick in and limit the output current until the next cycle.Due to its high efficiency and stable performance, the JWS5048/B is widely used in switching power supplies, LED drivers, and other areas requiring high performance AC DC converters. It is a reliable choice for those looking for an efficient and reliable AC DC converter.

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