ALD03B48-SL

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DC to DC converters come in a variety of styles and forms, with the ALD03B48-SL being a popular option. This redundant PSU, provided by Sentron, is a low-profile, all-pole, highly reliable and efficient DC-DC converter. With 500W of power output at 48V DC, the ALD03B48-SL can be used in a variety of applications and provides safety and protection features that make it an excellent choice for any DC-DC converter.

The ALD03B48-SL is the perfect solution for applications requiring a reliable supply of DC voltage. Its adjustable output voltage feature allows for easy fine-tuning of the output voltage to meet the exact requirements of the application. It also offers a wide input voltage range from 40 to 75V DC, overload protection, as well as insulation and elevated voltage protection. The ALD03B48-SL has an operating temperature range of 0 to +40 degrees Celsius, ensuring reliable performance even in harsh environments.

The primary use of the ALD03B48-SL is in power supply applications that require high-efficiency and high-reliability, such as server rooms, data centers, and industrial automation. It’s also commonly used in telecommunications, medical, automotive, aerospace and defense applications.

The ALD03B48-SL DC-DC converter is a switch-mode power converter, utilizing pulse width modulation (PWM) control and two switch inverters to convert the input DC voltage into a regulated output DC voltage. The basic principle behind this converter is that the output voltage is always a fraction of the input voltage, the ratio of the fraction being determined by the primary control side of the converter.

In the ALD03B48-SL, the control side consists of an oscillator, optocoupler, error amplifier, and pulse width modulation (PWM) comparator. The output stage of the converter consists of two switches, an inductor, and a capacitor. The inductor and capacitor form a low-pass filter that smooths the output, resulting in an output voltage identical to the reference voltage. In addition, feedback circuitry is used to improve the accuracy of the output voltage.

The optocoupler serves as a voltage reference and is the component that compares the actual output voltage with the reference voltage. When the actual output voltage of the converter deviates from the reference voltage, the optocoupler generates an error signal and the oscillator triggers the PWM comparator. The comparator then causes the switches to adjust the output voltage of the converter so that it matches the reference voltage.

The ALD03B48-SL offers a wide variety of features and benefits that make it an ideal choice for many DC-DC converter applications. Its versatile and redundant 500W design, adjustable output voltage, reliable operation, wide input voltage range, overload protection, and insulation and elevated voltage protection features make it perfect for a variety of applications.

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