JWS505

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AC/DC converters are the main component of electrical power systems, they provide the energy to applications from AC sources, so they are used for a wide range of applications. The JWS505 (JWS) is a widely used AC/DC converter in various applications, including battery chargers, industrial UPS, home lighting systems and more. It is mainly used for applications which need a high output power density, high operating efficiency, adjustable operating frequency or wide basic phase input voltage.

The JWS505 is a single-phase high frequency AC/DC converter with an isolated full bridge rectifier circuit in the input and an isolated push-pull active clamp circuit in the output, providing a good power conversion efficiency. The full bridge rectifier in the input can receive both AC and DC input, and has a wide input voltage range, making it suitable for applications with different input voltage sources.

The active clamp is an important part of the JWS505 and works by controlling the power flow between input and output. The active clamp actively shuts the conduction path between input and output sides before the switch dies, thus preventing energy loss in the output inductor, and provide a large current boost effect of the PFC. The active clamp also helps to minimize the output voltage ripple by actively clamping the top of the output waveform.

The JWS505 is also capable of PWM (Pulse Width Modulation) frequency adjustment. Through PWM frequency adjustment, the output frequency of the AC/DC converter can be fine-tuned to match the requirements of the application. In addition, the duty cycle of the PWM control can be adjusted to achieve the desired output voltage.

The basic operating principle of the JWS505 is quite simple. When power is applied to the device, the rectifier rectifies the AC voltage input and then the active clamp takes over and regulates the current passing through the output inductor, ensuring a stable output voltage. The active clamp also helps reduce the voltage drop caused by the switch. When the power supply is turned off, the active clamp will turn off and the power supplied to the inductor will be cut off, stopping any further current flow.

JWS505 is a highly versatile and efficient AC/DC converter for a variety of power applications. With its wide input voltage range, adjustable frequency and efficient active clamp circuit, it provides excellent performance for a variety of applications. The JWS505 is also cost-effective and available in a number of configurations. Due to its versatility, affordability and excellent performance, it is widely used in various power applications.

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