UCC25701PW

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The UCC25701PW is a versatile integrated power conversion device designed for use in offline switcher applications, such as those found in power adapters or offline converters. This highly integrated solution delivers up to 120 W of output power and combines a number of protection and current performance features in a small package. The device includes a high-voltage start-up and bias voltage (CDRH), an adjustable constant frequency current mode controller and low power Standby operation. Additionally, it includes a range of inputs/outputs and controlling logic, including a dedicated enable pin, which allows for fast enable/disable operation.

The UCC25701PW is a low voltage offline switcher device, whose main application is to convert AC power to DC with high efficiency. The device combines the high voltage startup and bias voltage to provide the necessary conditions for the switching operation, and utilizes a dedicated enable pin for fast enable/disable operation. Additionally, an adjustable constant frequency current mode controller ensures a stable switching operation and low power Standby operation.

The UCC25701PW device works by utilizing the Flyback topology for power conversion. In this topology, the input voltage is applied to the primary winding of a transformer. When the switch is enabled, a pulse-width-modulated (PWM) signal is applied which causes current to flow through the primary of the transformer, resulting in a voltage step up across the secondary of the transformer. The secondary voltage is then rectified and filtered to provide an always-on output voltage.

The UCC25701PW has a wide range of applications, including power adapters, offline converters, dc-dc converters, LED lighting, industrial appliances, and more. It has been designed to operate on a wide input voltage range and provide a highly efficient, cost-effective solution for a variety of applications. Additionally, it includes a number of protection functions, such as over-current protection, short-circuit protection, and over-temperature protection, which helps ensure the safe and reliable operation of the device.

The UCC25701PW is a versatile, highly integrated power conversion device that is well suited for use in offline switcher applications. Its wide input voltage range and low power consumption make it highly efficient and cost effective. Additionally, the device has built in protection features, allowing for reliable operation and protection of the device and its components. With its range of features, the UCC25701PW is an ideal solution for use in a variety of applications, such as power adapters, offline converters, dc-dc converters, LED lighting, and more.

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