RAC04-12SGB

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The RAC04-12SGB AC DC converters is a type of current regulator designed for use in applications requiring high precision current regulation. It uses advanced control algorithms to precisely regulate the output current over a wide range of input voltages and load conditions. The converter can be used in a variety of applications, from LED lighting and photovoltaic systems, to industrial control systems and medical equipment.

The RAC04-12SGB AC DC converters utilizes a proprietary self-adjusting control loop that is capable of vertically and horizontally adjusting the output current to ensure maximum accuracy and efficiency in a variety of application scenarios. It also utilizes continuous-time compensation technology to effectively reject input voltage variations.

The output current is regulated using a hysteretic control loop with inner current-sensing feedback. When the sensed current exceeds the predetermined upper threshold, the switch’s duty cycle is decreased until the sensed current drops below the predetermined lower threshold. The control loop then increases the switch’s duty cycle until the current again reaches the upper threshold, in a cycle which repeats itself indefinitely to maintain the output current.

The RAC04-12SGB AC DC converters features a wide input voltage range between 4.8V and 24V, with an adjustable output current range between 0.05A and 12A. It also features current-mode control, enabling quick transient response to load variations, as well as parallel and series tracking modes for regulating multiple outputs. The converters feature thermal foldback, adjustable internal oscillator frequency, short circuit protection, overvoltage protection, and over-current protection features.

The converters are available in several packages including an SO20W and an SMD version. The SO20W version measures in at 20.5x14x3.8mm, while the SMD version measures 22.2x22.2x7.2mm. It is also available with an external temperature sensor or an active voltage clip for applications requiring such features.

In summary, the RAC04-12SGB AC DC converters is a high-precision current regulator designed for applications requiring a wide input voltage range and a variety of output current ranges. It utilizes a proprietary self-adjusting control loop, current mode control, and various protective features to ensure maximum accuracy and reliability in a variety of applications.

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