UCC25701DG4

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The UCC25701DG4 is an integrated circuit that is part of a PMIC (Power Management Integrated Circuit) range used for AC/DC conversion, offline switching, and other power management applications. The UCC25701DG4 is an ideal choice for applications that require low power dissipation and high efficiency. It is also suitable for powering low-power applications such as microcontrollers and sensors.

The UCC25701DG4 is a single-output buck regulator. It features a current mode control with one voltage feedback for control and works with a wide input range of about 6 V to 80 V. The output voltage range of the UCC25701DG4 is adjustable between 0.6 V and 5 V. Its switching frequency is adjustable up to 1 MHz and its pulse by pulse current limit feature reduces start-up current surge. This single-output buck regulator also has a power-good output, soft start/stop protection, thermal overload protection, and adjustable soft start/stop times.

The UCC25701DG4 provides efficient, low-noise power management for offline applications such as consumer electronic products, small appliances, lighting, and motor control applications. Its low quiescent current and low power consumption make it a very efficient regulator. It also features an operating temperature range from -40°C to 125°C, allowing it to be used in harsh environments, such as automotive and industrial applications. It is offered in a surface-mount package with exposed thermal pad.

The UCC25701DG4 works by using a voltage feedback mechanism for the primary control loop. This circuit takes a variable input voltage and converts it to a constant output voltage, regardless of input or load conditions. A high-side MOSFET is used to switch the power from the input source and that power is then regulated through a feedback loop to either increase or decrease the output voltage. In order to reduce ripple and noise, an output filter is also used. The operating frequency of the UCC25701DG4 can be adjusted depending on the application requirements in order to ensure optimum efficiency and low output noise.

Because of its combination of features, the UCC25701DG4 is an excellent choice for a variety of AC/DC conversion, offline switching, and other power management applications. With its high efficiency, low power dissipation, adjustable operating frequency, wide input and output voltage ranges, good switching noise immunity performance, and thermal protection, the UCC25701DG4 is an excellent choice for a variety of AC/DC conversion and offline switching applications.

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