PSAA20R-033-R-C3

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The PSAA20R-033-R-C3 is a high quality AC/DC external desktop, wall adapter designed for a broad range of applications.

This enduring power supply is highly reliable while also providing significant efficiencies. It meets applicable standards, making it perfect for loads up to 24 Vdc requiring up to a maximum of 10A output current - guaranteeing consistent operation in any environment.

The device ensures tight output voltage and operational safety as well as protection for users and equipment. It features an 85% efficiency rating, temperature dependent current limiting, short circuit protection, overvoltage protection, and thermal cut-off functions.

The versatile output connector with the 1.8m output cord, make the PSAA20R-033-R-C3 well thought out and ideal for wide variety of applications including medical, industrial, and telecommunication equipment.

Working Principle

The PSAA20R-033-R-C3 operates on the principle of frequency converted regulated switching power supply. The built-in SMPS ICs is capable of working from AC input of 90-264V, 50/60 Hz and convert the input into the isolation DC output (+3.3V), the guarantee of a constant output voltage and current.

The oscillator in the SMPS IC provides the main frequency for the whole system. Voltage control oscillator generates high frequency operating current to the transformer. The high frequency transformer energizes the switching transistor to create the main output of the power supply.

The main output is regulated by a feedback circuit. When the output voltage changes, the feedback circuit sends the changing signal to the error amplifier for maintaining a constant output voltage. This feedback loop adjusts the switching frequency so that the output voltage remains constant.

Overall, the PSAA20R-033-R-C3 is a of high quality and reliable desktop, wall adapter. For applications such as medical, industrial, and telecommunication equipment, it is worth considering this AC/DC adapter as part of your power supply solution.

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