UC3573D

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

UC3573D Application Field and Working Principle

The UC3573D from Texas Instruments is a highly integrated, monolithic pulse width modulating (PWM) controller that was specifically designed for use in a wide variety of DC-DC applications. With its high-efficiency, low-loss architecture, it is able to deliver up to 40 Watts of output power, making it an ideal choice for high-end applications such as servers, laptop computers, and network communication equipment. It is available in both 8-pin SOC (SOIC) and 20-pin QFN packages.

The UC3573D is a member of the TMS family of high-voltage, high-efficiency monolithic pulse width modulation (PWM) controllers. It supports a wide range of input and output voltages and offers a variety of features to help simplify system design and reduce system power consumption. Because of its integrated high-voltage driver, the UC3573D offers improved efficiency and lower thermal dissipation compared to other available PWM controllers. The device also features a wide range of voltage regulation, under-voltage lockout (UVLO) thresholds, and a low-power sleep mode.

The working principle of the UC3573D is based on a frequency-modulated PWM control method. The device takes an input voltage and compares it to an internally generated reference voltage. It then adjusts the pulse width of the PWM signal in order to maintain the output voltage within the required range. This is done by expanding or shrinking the period of the PWM signal until the output voltage reaches the reference level. The frequency of the resulting signal is modulated in order to adjust the output voltage.

The UC3573D is suitable for use in a wide variety of DC-DC converters and to provide isolated power supplies. It is ideal for applications where efficiency, power density, and thermal management are key, such as high-end servers, signal processing, and communication equipment. Its wide input/output voltage range allows it to be used in a variety of applications from low-voltage low-power applications to high-voltage applications. Its high-efficiency and low-loss architecture make it an ideal choice for applications where power is at a premium.

The UC3573D is an excellent choice for designers looking for a highly integrated, high-efficiency PWM controller for their DC-DC applications. Its wide input/output voltage range, integrated features, and low-power sleep mode make it an ideal choice for a wide variety of applications. It is available in both 8-pin SOC (SOIC) and 20-pin QFN packages, making it easy to integrate into a wide variety of applications.

The specific data is subject to PDF, and the above content is for reference