UCC2583QG3

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PMIC - Power Supply Controllers, Monitors refers to an integrated circuit device that controls the functioning of power supply and management of the same. Power supply controllers are responsible for regulating the voltage and current coming from the main power source. This is done through pulse width modulation or by direct manipulation of the power supply itself.The UCC2583QG3 is an integrated, low-power, high-performance single-chip pulse-width modulation (PWM) controller for use in applications such as Low Drop Out (LDO) and Buck DC/DC converters. The device, with its unique features and integration, provides a simple and cost effective solution for designing power supplies.The UCC2583QG3 is an ideal controller solution for applications requiring low-power consumption and high performance. This single-chip controller offers ease of use, including adjustable switching frequency, PLL-free operation, and adjustable control loop bandwidth along with tight output voltage regulation, fast line/load Transient recovery, and excellent transient response.The UCC2583QG3 offers a variety of protection features such as undervoltage lockout, overvoltage protection, current limiting, short-circuit protection and even thermal shutdown. The device also includes a voltage supervisor that provides an adjustable pre-programmed delay for enabling the main power supplies at system startup.In addition to the features mentioned above, the UCC2583QG3 offers key advanced features such as selectable soft start and power good indicators. The soft start feature ensures that the output voltage ramps up gradually to minimize start-up transient. The voltage reference is particularly designed to ensure high accuracy and an extended line transient response.The UCC2583QG3 is an excellent choice for multi-mode power supply designs which require cost optimized single power supply solution. Its integrated voltage supervisor ensures rapid system start-up by coordinating the start-up of different power supplies in the system. Furthermore, the device is compatible with 3.3 volt, 5 volt, 12 volt and 15 volt systems.The UCC2583QG3 is popularly used in a range of applications, including desktop and laptop PCs, PLCs and DC motors, printers, home appliances, AC/DC and DC/DC converters, as well as automotive applications, among others. Some of the common application fields for the UCC2583QG3 include LCD TV/monitors, AC-DC power, automotive air conditioning systems, DC-DC converter, small form factor PCs, networked motors and drives, power conversion systems and HVAC systems.The UCC2583QG3 incorporates pulse-width modulation (PWM) technology to enable power supply design in DC/DC converters. It works by varying the time period in which a transistor is switched on and off in order to regulate the supplied voltage and current. When this pulse-width is optimized, it results in efficient power supply control and helps deliver reliable power.The UCC2583QG3 is designed to deliver high-performance PWM control with low-power consumption. This low-power design is achieved using advanced CMOS technology and optimized power-saving architecture. The device consists of two main parts: a pulse-width modulator and a fixed frequency oscillator.The PWM works by generating a square wave with modulation duty cycles that vary according to an externally generated pulse train or a control voltage. Pulse width modulators control the input voltage to the power supply and variably control the output voltage or current. By allowing the duty cycle to increase or decrease, the output voltage can be changed by as much as 50%.The UCC2583QG3 makes use of a fixed-frequency oscillator, which is adjustable and can be used to determine the frequency of the PWM output. It provides improved low-order noise performance, improved system transient performance, and improved efficiency of the power supply. The adjustable frequency also allows power supply designers to optimize their design to meet specific design objectives.These features make the UCC2583QG3 an ideal solution for low-power, high-performance power supply control. Its advanced features, combined with its compact size and low cost, make it an attractive choice for a wide range of applications.

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