JCE0348S24-H

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DC to DC converters are power electronic systems that can convert electrical energy in DC form from one voltage level to another. The JCE0348S24-H is an AC/DC switching power supply module that serves as an efficient and reliable converter to provide a regulated, isolated, 24V nominal power output from an AC input. It is an industrial grade device with excellent features like over voltage, current, temperature and short circuit protection. It is designed for application in power electronics, telecommunication systems, industrial control systems and power industries.

The JCE0348S24-H is a low power density (50W) switching mode power supply module. It consists of a fast transformer T1, synchronous-rectifier switching FETs Q2, output rectifier diodes D1, PWM control IC U1 and other peripherals. The component values of R3 and R4 are set to correct for errors in the output voltage. The switching FETs Q2 collect energy from the input mains when the transformer T1 primary winding is energized. The energy is then discharged onto the transformer secondary winding. This creates an output voltage across D1, which is rectified and filtered and provides the regulated, isolated 24V output to the load.

The fast transformer T1 is designed for power conversion applications. It is made using high permeability materials and is capable of operating at high frequencies, ensuring faster response time and efficient transients. The synchronous-rectifier switching FETs Q2 are used to switch the primary winding of the transformer. The diodes D1 are used to convert the alternating current of the secondary winding into direct current before supplying it to the load. The PWM control IC U1 is responsible for controlling the switching of the FETs of Q2 according to the pre-set voltage output level. It utilizes an adaptive on-time control technique with a boundary conduction modulation mode for efficiency.

The working principle of the JCE0348S24-H is relatively simple. When the input power is switched on, the fast transformer T1 absorbs the power and creates a magnetic field. This, in turn, induces a voltage in the secondary winding of the transformer. The voltage is then fed to the switching FETs Q2 which are controlled by the PWM control IC U1. The FETs switch ON and OFF according to the pre-set voltage output level. The energy stored in the transformer’s secondary winding is rectified and filtered by the diode D1 and provided to the load as a regulated, isolated 24V nominal power output.

The JCE0348S24-H is a reliable and stable power source suitable for use in a wide range of industrial and commercial applications. Its key features such as the over voltage, temperature and current protection ensure its safe and efficient operation. The adaptive on-time control technique used in the PWM control IC U1 enables improved system efficiency and better load regulation. The fast transformer T1 is designed to ensure fast response times and efficient transients. All these features combined make the JCE0348S24-H an ideal choice for various power electronics applications.

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