PBW50F-12-G

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AC DC Converters are widely used in a variety of applications, including providing power directly to a device or to charge and maintain a battery. A variety of technologies have been used to perform AC to DC conversion, primarily using electrical components that switch various voltages on and off. The most common type of AC-DC converter is the bridge rectifier, which utilizes discrete electronic components to provide varying levels of power. Among the most recent and advanced AC-DC converters are switching power supplies, with higher efficiency and smaller size.

PBW50F-12-G Application Field and Working Principle

PBW50F-12-G is a full bridge PFC DC/DC converter utilizing current mode high frequency variable pulse width modulation. It integrates four high voltage Field Effect Transistors (FETs), two low voltage switches, Rectifier diodes, and output filter into one module. This type of AC-DC converter provides stable DC power supplies to numerous applications, from manufacturing processes and industrial production, to general purpose consumer electronics, including lighting, energy storage systems, electric vehicles, electronics etc. Because of its high efficiency and lightweight design, PBW50F-12-G is especially appropriate for use in unmanned aerial vehicles (UAVs).

The operating principle of PBW50F-12-G transformerless power supply module relies on a single switch, which is usually a high voltage Field Effect Transistor (FET). When the switch is shut off, the power supply is effectively disconnected from the input and the output, and the presence of the transformer isolates the input from the output. When the switch is turned on, the power supply is effectively interconnected, and the FET acts as a reliable commutator. The variable pulse width modulation operates in current mode, maintaining a predictable switching frequency while minimizing any distortions and delays.

In addition, the DC/DC converter has an internal soft start circuit. This circuitry allows the output voltage to gradually reach its nominal value, preventing any sharp current surges or spikes. The module is also protected by current-limiting circuitry, limiting the output current to predetermined values. In case of a short circuit situation, the module will automatically switch off, entering protection mode. The design also minimizes EMI/EMC emissions, making it suitable for applications in which these emissions must be kept to a minimum.

PBW50F-12-G AC-DC converter module provides a high degree of flexibility for a variety of applications. Its wide input voltage range, extended operating temperature, and high efficiency, make it great for applications in industrial electronics as well as power supplies for consumer electronics.

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