UCC2808DTR-2 Integrated Circuits (ICs)

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The UCC2808DTR-2 is a high-performance, low-cost current-mode Pulse Width Modulation (PWM) controller. It is a controller suitable for cost-sensitive, low-noise switching power supplies. It offers an integrated solution with low external component count and minimal external component cost. This makes it an excellent choice for applications requiring efficient, high-density, low-cost power management solutions.

The UCC2808DTR-2 application field covers low frequency, low-noise DC-to-DC converter systems, with applications such as computers, personal digital assistants (PDAs), and wireless and handheld devices.

The typical applications of this device include high-density DC/DC converters and AC/DC switching power supplies. It can provide a wide range of output power ratings, with peak-to-peak inductor current ripple of 2.5A and output voltages up to 52V. This makes it well suited for automotive, industrial, and consumer applications.

The working principle of the UCC2808DTR-2 is based on a fixed frequency, current mode technique, which provides fast transient response yet simple external loop compensation. It features an integrated synchronization circuit that allows synchronization up to 500kHz.

The UCC2808DTR-2 can support a wide variety of power conversion solutions in a wide range of power densities. It has a built-in slow start circuit, adjustable soft-start, frequency dithering, internal soft-stop, and fast over-current protection. The device also supports a very low start-up current and a low standby current.

The device offers low-noise operation over a wide range of operating frequencies. Supports output voltage control and allows non-linear current control in burst mode operations to reduce noise and reduce power consumption. It also has programmable dead-time control to reduce EMI.

The UCC2808DTR-2 is a versatile solution suitable for many DC-to-DC power conversion applications, offering low-noise operation, high efficiency, and low cost. It is an ideal solution for applications that require high power density, low-noise operation, and low overall system costs.

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