PBA15F-3R3-CN

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AC/DC converters such as the PBA15F-3R3-CN provide solutions to the various challenges associated with DC/DC low dropout regulators. The PBA15F-3R3-CN AC/DC converter is specifically designed for powering many different electronic devices, including video recorders, computers, photocopiers, and cellular phones.

The PBA15F-3R3-CN has a wide input voltage range from 85 to 265 volts, and a wide output voltage range from 3.3 to 24 volts. The output current is rated at 15A, and the output power of the device is up to 500 watts. The high efficiency of the PBA15F-3R3-CN ensures that it operates with minimal heat generation. The internal EMI filter ensures low EMI emissions.

The PBA15F-3R3-CN is designed to use a unique technology based on two different topologies that interact to produce an optimized input-to-output conversion. The first of these topologies is driven by a pulse width modulation (PWM) rectifier, used to convert a higher frequency AC input voltage into a regulated DC voltage. The rectifier employs circuitry to feed pulses of current to the circuit, eliminating the need for large filter capacitors.

The other topology is a synchronous buck regulator, which serves to convert the higher DC voltage input to the desired DC output voltage. The buck regulator consists of an inductor, a transistor, and a capacitor. It operates by switching the transistor on and off to create a stepped, continuous voltage from the input voltage. The inductor stores and releases energy during the switching process.

The two topologies combined create a circuit that is highly efficient and has a very fast response time. The PBA15F-3R3-CN is designed to efficiently convert the AC input voltage to a regulated DC output voltage while emitting very low EMI emissions. Additionally, the device is protected against over-temperature, over-voltage, over-current, and short circuit conditions, ensuring reliable operation and preventing damage to the device and attached loads.

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