UCC38083PWR

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The UCC38083PWR is an offline switcher used as an AC-DC converter in power management applications. Its operating principle is based on the use of the well-known flyback converter topology. The output voltage is typically derived from a main transformer winding with a voltage ratio that is adjustable via a bias pin to accommodate a variety of load conditions. The output of the UCC38083PWR can be regulated to within a few percent of the pre-determined adjusted VCC output voltage, even when line and load conditions vary. This high performance output regulation can be used in a wide range of applications, from supplying driving power to digital logic with low voltage outputs, to supplying large picture tubes in the presence of large line, load, and temperature variations.

The UCC38083PWR is designed for a single output of 5-24V, with power usually up to 10W, and a maximum current output of 2A. The flyback construction of the device makes it easy to adjust the voltage output as needed with minimal effort. This makes it ideal for use in applications that require low noise, low power, and low voltage regulation. Its efficient operation and superior regulation make the UCC38083PWR ideal for use in consumer electronics, medical, and industrial equipment.

An output current sense feedback is used to regulate the output voltage. This feature gives the UCC38083PWR the ability to provide excellent line and load transient response characteristics. The main control feature of the UCC38083PWR is a single output pulse width modulation controller. This controller regulates the average output voltage with a fixed frequency pulse width modulation signal of 1.9kHz to 6kHz.

The UCC38083PWR is designed to be used in applications where power levels are high, and regulation is a priority. Anovervoltage protection feature is included to protect against any unexpected over voltage conditions. A soft start circuit is also incorporated to reduce output currents at startup. In the presence of high inrush currents, the UCC38083PWR will smooth out the power supply ripple, reducing noise and improving regulation.

The UCC38083PWR provides superior efficiency, with typical efficiencies up to 86%. Another benefit of this device is its low external component count, allowing for high power density designs without compromising efficiency and reliability. This makes it an ideal choice for applications where space is a premium.

In conclusion, the UCC38083PWR is a highly efficient, low power, and low voltage AC-DC converter, ideal for use in applications where power levels are high and regulation is a priority. Its low component count allows for high power density designs, while its output regulation features allow for excellent line and load regulation. Its features make it a great choice for systems requiring low noise, low power, and low voltage regulation.

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