UCC2804D

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The UCC2804D is an integrated switching regulator controller that is designed to address the needs of offline switchers. It provides the necessary features and functions to enable the development of high-performing power supply systems without the need for additional components or external programming. The device includes an adjustable frequency oscillator, an adjustable current-mode controller, power MOSFET gate drivers, input undervoltage lockout, ramp soft start capability and fault protection. It is capable of driving a wide range of switching topologies, including forward and flyback, boost and buck, and other multiple-output DC/DC converters.

The UCC2804D offers a current-mode control architecture, which helps to minimize external component count and optimize loop response of the switching regulatior. The adjustable frequency oscillator allows the user to set the switching frequency over a wide range, while the user adjustable current limit and slope compensation allow the user to precisely tailor the output of the regulator. The input undervoltage lockout and ramp soft start features further reduce component count in order to minimize board space and cost, while providing power on protection.

The UCC2804D can be used in a wide range of applications, such as switch mode power supplies, DC motor drives, and consumer electronics. It is particularly suitable for use in AC to DC converters, providing a cost-effective and power-efficient solution. The device is pin-for-pin compatible with the popular UCC2804, and it is offered in SO-8, DIP-8 and TO-220 packages for ease of use.

The UCC2804D is a versatile switching regulator controller and is ideal for a wide range of AC/DC applications. It includes adjustable current-mode control to allow precise output voltage regulation, and it offers power on protection and soft start ramp to protect the device from faults. The device can be used in a variety of converter topologies, such as forward, flyback, buck and boost configurations, and it is pin-for-pin compatible with the UCC2804. The UCC2804D is available in a variety of packages, making it easy to integrate into any design.

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