SPD121201BN

Series:	*
Part Status:	Active

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AC DC Converters

AC/DC converters are used for a wide variety of applications, from power supplies and battery chargers to low power medical, automotive, industrial, communications , instrumentation and data acquisition applications. The SPD121201BN is a three-phase/single-phase AC/DC converter designed to meet the specific needs of these applications.

Overview

The SPD121201BN is a three-phase/single-phase AC/DC converter. It offers a wide input voltage range from 200V to 500V and a wide AC frequency range from 45Hz to 65Hz. It is designed to produce a highly efficient, robust DC output voltage and current. The output voltage can be adjusted from 0 to 500V and is adjustable in 1V increments. The output current is adjustable from 0 to 1A and is adjustable in 10mA increments. The SPD121201BN has an integrated controller which provides full control over the power system. It is designed for reliable operation under harsh conditions, including high temperature, humidity, vibration and overvoltage protection. It also offers protection against input undervoltage and overvoltage, overcurrent, overheating and short circuit protection.

Working Principle

The SPD121201BN is based on a three-phase full-wave bridge topology. The input voltage is rectified and filtered, and the output voltage is controlled with a pulse width modulated (PWM) regulator. The PWM controller is the main element of the system, and is responsible for regulating the output power of the AC/DC converter. The PWM controller adjusts the firing angle of the converter\'s AC switch to achieve its desired output voltage and current. The power stage is made up of a 3-phase diode bridge rectifier, power filter, 3-phase PWM converter and output filter. The output filter is designed to attenuate the switching noise and provide the required output ripple current and voltage for the application.

Applications

The SPD121201BN is ideal for a wide range of applications, including: • Energy storage and battery charging • Motor drives • Test and measurement equipment • Low power medical machines • Automotive and industrial power supplies • Communications and data acquisition equipment The combination of its wide input voltage range, wide AC frequency range and highly efficient operation makes the SPD121201BN the perfect solution for a variety of mission-critical applications.

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