UCC2804DTR/81260G4

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The UCC2804DTR/81260G4 IC is part of a family of advanced monolithic pulse width modulation controllers that are available for ON/OFF control of AC/DC switch mode power supplies. The IC\'s enable designers to implement supplies with higher efficiency, better power factor and improved transient response than conventional linear and center-tapped transformers.

The UCC2804DTR/81260G4 is an application-specific IC designed for power management solutions in the AC/DC power conversion category. It is designed to offer low cost, high efficiency solutions to switch mode power controllers. The IC features adjustable peak current limit, adjustable start up delay, a reference voltage adjustable down to 0 volts, and internal over voltage protection.

The UCC2804DTR/81260G4 offers maximum integration, and includes on-chip integrated MOSFET drivers, which can drive power MOSFETs and IGBTs. It has an adjustable switching frequency range up to 500 kHz, and also offers soft start, over-voltage protection, brown-out detection, cycle-by-cycle current limiting, and soft stop features.

The UCC2804DTR/81260G4 is designed to provide an effective way to monitor and control the switching of power in AC/DC applications like computer power supplies, motor control systems, and lighting systems. The application field of this IC is for systems that require high efficiency and small size.

The working principle of the UCC2804DTR/81260G4 is simple. It takes a reference signal, usually an AC line input, and turns it into a pulse-width modulated (PWM) output. This output is then used to switch on and off the bridge transistors in order to regulate the output voltage according to the reference signal. As the output voltage changes, the duty cycle of the PWM signal is adjusted accordingly. This process is performed continuously, making the switching system very efficient, as it only requires minimal current in order to regulate the output voltage. The cycle-by-cycle current limit and over-voltage protection features of the UCC2804DTR/81260G4 prevent any system failure caused by over-current or voltage fluctuations.

The UCC2804DTR/81260G4 is ideal for applications that require high efficiency and small size in AC/DC power conversion. It offers a wide range of features and benefits, including high efficiency and precision, low cost, high power density, low power consumption, low EMI, protected and continuous operation, and easy integration with other components. The UCC2804DTR/81260G4 is an ideal choice for power management solutions in the AC/DC power conversion category, and can be used in a variety of applications such as computer power supplies, industrial systems, and lighting systems.

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