VE-JWY-CY

Current - Output (Max):	10A
Base Part Number:	VE-JWY
Size / Dimension:	2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
Package / Case:	Half Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-25°C ~ 100°C
Features:	OCP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	33W
Series:	VE-J00™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC-DC converters play an important role in the conversion of electrical energy from one form to another. They enable us to convert current and voltage from one range to another, as well as to store and regulate energy over time. The most common type of DC-DC converter is the VE-JWY-CY (voltage-emitting-JWY-controlled-Y-clamped) converter. This type of converter is often used in applications such as power converters, solar-powered charging systems, LED lighting, and even in the industrial automation and control fields.The VE-JWY-CY converter works by converting the input voltage to a specified level of output voltage or current. The conversion is accomplished by using four primary components: an input voltage source, an output voltage source, a JWY (jumper-wire impedance) element, and a clamping clamp assembly. The input voltage source is regulated by a low achieveable and high set-value. These values are set and adjusted according to the desired output voltage and/or current. The JWY element, which is formed of a series of metal-insulated wires, functions as an impedance device to protect the input voltage source from unwanted transients.Following these four components, the VE-JWY-CY converter operation consists of several distinct steps. In the first phase, the input voltage is regulated to a low set voltage, and the output voltage is regulated to the desired value. In the second phase, the clamps force current instead of voltage, under the control of an adjustable JWY element. This reduces power dissipation by automatically increasing the current limit as the voltage increases. The third phase, also known as the "jumping" phase, serves to limit the instantaneous current, thereby providing sufficient power and moderate losses in the converter. This is achieved by increasing the impedance seen by any current which is larger than the set current limit, by moving the JWY element, thereby clamping the induced voltage. This phase also serves to force current away from the output voltage, thus reducing its peak-to-peak voltage, if necessary. In the last phase, the clamp is used to force the current away from the output voltage source for final regulation. This phase serves to reduce voltage surges in the power supply, which can lead to uncontrolled increases in temperature and other harmful effects.The VE-JWY-CY converter is simple and reliable, its main advantages being high efficiency and low power dissipation. Since the design relies on voltage coupling through inductive and capacitive elements, it allows for increased power delivery, with no EMI, current ripple, or voltage ripple, even at high power levels. Additionally, since the JWY element is adjustable, it allows a large range of control over the output voltage, from low to high, even at high input voltages. Overall, the VE-JWY-CY converter is a powerful and reliable solution for DC-DC converter applications. The advantages of this design include, high efficiency, low power dissipation, and adjustable, controlled output. With all these features, the VE-JWY-CY converter can be practically used in any power supply application, from small fixed power supplies, to large, regulated variable systems.

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