UCC28220QDRQ1 Integrated Circuits (ICs)

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Texas Instruments\' UCC28220QDRQ1 is a high-performance, current-mode control fixed frequency synchronous buck controller designed for operation from input voltage sources up to 35 V. This device provides a low component count, easy-to-use, cost-effective solution for applications requiring up to 1.5 A of output current. This synchronous buck controller employs a peak current mode control architecture combined with a low on-resistance external MOSFET solution to allow for fast transient response. The adjustable switching frequency allows the user to choose a frequency that best suits their application and also provides flexibility to avoid unintentional interference with other equipment.

The UCC28220QDRQ1 device is suitable for a variety of applications, including but not limited to telecommunications, consumer electronics, and industrial systems. It is capable of operating in a wide variety of AC and DC input voltage environments, and is capable of providing the highest degree of efficiency for these applications. It may also be used in conjunction with other voltage regulator devices to provide additional system flexibility.

The UCC28220QDRQ1 operates in current mode control. It utilizes an on-chip external MOSFET in order to provide excellent power efficiency and control. The device also features an adjustable switching frequency which can be set by the user. The adjustable frequency also allows for avoidance of unintended interference with other equipment in the system. The device features a voltage-mode feedback loop, which reduces component count and simplifies connections to the external components. It also has an adjustable current limit, which can be set to ensure that the device does not over-charge or over-discharge the loads in the system.

The device consists of an on-chip oscillator which determines the switching frequency. It also includes a low off-time driver which is used to drive the external MOSFET. The low off-time driver ensures that the MOSFET is always in its on-state, ensuring an efficient switch transition. In addition, the device has an adjustable soft-start circuit which can be used to reduce the inrush current at start up.

The UCC28220QDRQ1 also features over-current protection, under-voltage lockout, and thermal shutdown. This makes it suitable for a variety of applications, and provides additional protection for the system. The device can also be configured to operate in either continuous or discontinuous conduction mode.

The UCC28220QDRQ1 is a versatile and efficient device, ideal for many applications requiring the highest degree of power efficiency. Its high peak current-mode control, low component count, and adjustable switching frequency combine to make it an excellent choice for applications ranging from telecommunications, consumer electronics, to industrial systems.

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