CDS6004812

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DC-DC converters are electronic circuits that take in one DC input voltage and output another, usually higher, DC voltage. The CDS6004812 is a Switch Mode Power Supply (SMPS) regulator, able to convert a wide input voltage into a constant, regulated 12 V output voltage with up to 48 A of current output. It is specifically designed for industrial applications, and is particularly suitable for operating heavy loads, such as printing machines, central air-conditioning systems, and lifts.

To better understand the CDS6004812 and its application fields, some knowledge of its working principle should be of great help. The circuit architecture of the CDS6004812 takes advantage of a type of PWM (pulsewidth modulation) regulator operating as a constant-frequency converter. In its simplest form, a PWM regulator works like a two-step switch, alternatively connecting and disconnecting its input and output terminals. To regulate its output, the on and off times are controlled using a feedback loop, calculating the output voltage as a function of the input voltage.

This basic PWM architecture can be used in various ways, as is the case with the CDS6004812. The IC features an adjustable frequency range from 5 kHz to 1 MHz, with an operating efficiency of up to 84%. This allows for the regulation of a wide input voltage, with a constant 12 V output. The output voltage is kept in a tight regulation band even under full-load, and the device is capable of sourcing up to 48 A. The low EMI performance of the CDS6004812 makes it particularly suitable for industrial applications.

The CDS6004812 comes in an SIP (Single In-Line Package) form factor, which allows it to be installed in tight spaces. It has a built-in, external adjustable heater as well, beneficial in low temperature conditions. In addition, the CDS6004812 provides a unique feature, which allows for an extra power supply output to be connected in parallel and hot-plugged at any time. This feature allows any extra load to be connected while the system stays in operation, increasing its power output capability.

In summary, the CDS6004812 is a highly optimized DC-DC regulator, with a wide input and constant 12 V output voltage. Its PWM architecture allows for very high efficiency, making it particularly well-suited for industrial applications. Its low form factor, integrated heater, and extra power supply output make it a great choice for many applications.

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