SPD484801

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AC DC converters are electronic devices used in a variety of applications and industries to convert alternating current (AC) to direct current (DC). The SPD484801 is one such device, and it is designed to provide constant and trouble-free power for various industrial applications.

This device is a low-cost, efficient, and reliable power converter, which features a wide input voltage range of 90-265V AC, wide frequency range of 47-63Hz, and output voltage range of 12-48V DC. Its wide range of features and advantages make it an ideal choice for applications such as industrial lighting, alarm systems, public transportation systems, and any other kind of AC-DC conversion.

The SPD484801 uses a single phase full bridge soft-switching rectifier circuit topology for its AC-DC conversion. It starts up by drawing current from the AC source through both switches. Then, the rectifier measures the input voltage to make sure it is within the operational range. If it is, the rectifier secures the input voltage, ensuring that the output voltage remains constant, regardless of the fluctuations in the input voltage.

The heart of the SPD484801 is its Pulse Current Modulation (PCM) control circuit. This circuit utilises a PBD (Pulse Burst Detector) to monitor and adjust the output pulse of the converter. Through this adjustment, the circuit is able to provide consistent output current, with a small ripple, even in cases where the input voltage varies from time to time.

The SPD484801 also comes with several protective features which include short circuit protection, over temperature protection, over voltage protection, current limit protection, and over load protection. These features protect the device from current spikes and thermal overloads, which makes it perfect for use in hostile industrial environments.

The SPD484801 is both RoHS and CE compliant, and it meets or exceed the international standards for ac-dc converters. Its high level of reliability and robustness make it an ideal choice for applications where power conversion needs to be precise and reliable.

In summary, the SPD484801 is a low-cost, efficient, and reliable AC-DC converter. Its single-phase full bridge soft-switching rectifier topology and its PCM control circuit make it an ideal choice for applications where consistent and trouble-free power conversion is needed, and its protective features make it suitable for harsh industrial environments.

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