2904602

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AC/DC converters, or power supplies, are important in a wide range of everyday applications and play an essential role in a variety of electronic systems. They are designed to convert alternating current (AC) to direct current (DC). In these systems AC is fed into an AC to DC converter, which then produces a regulated DC output.

2904602 is a high efficiency, compact AC/DC converter that operates over a wide range (90-264 VAC) and provides 12V or 24VDC at up to 5 A of continuous output power. This high efficiency converter allows many products to meet 80 PLUS requirements. It also is 90% efficient or better across the entire load range, and has a low no-load power consumption of under 0.25W. It features overvoltage, overcurrent, and short circuit protection, and meets FCC, EN55022-B and UL60950 Class B EMI requirements.

The 2904602 works by rectifying the input AC, which is stepped down through a transformer first. The input voltage is filtered with an EMI filter along with fuses which are used for overcurrent protection. A switching controller is used to control the switching of a power FET. The transformer provides isolation and also reduces the voltage. The rectified voltage is then filtered by smoothing capacitors to form the DC output.

The DC output is then regulated by a controller. This controller monitors the output voltage through a sense resistor and uses a feedback loop to maintain the output voltage at a set level, regardless of fluctuations in the input voltage. The controller also sends out a trigger signal to the FET to start it into switching, repeating this process to maintain a constant output voltage. This is regulated over the entire range of load, and is up to about 96% efficient.

The 2904602 can be used for a variety of applications, from powering telecom routers, routers, modems, fire alarm panel and air conditioner controllers, to powering embedded systems or for a variety of embedded space applications. It has a temperature range of 0-50°C and will operate at high temperature up to 75°C with reduced power loss.

The 2904602 is a reliable and cost-effective AC to DC converter with a wide range of applications. It costs relatively little, has high efficiency, and provides an output voltage that is robust and stable, along with protection against overvoltage, overcurrent, and short circuit spikes. It is also easy to install and maintain, making it an ideal choice for many product designs.

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