RT7298BHGQW

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PMIC (Power Management Integrated Circuit) or Voltage Regulators are used to provide a steady and consistent voltage (as mentioned in the datasheet of the IC) to the ICs or other external components connected with the chip. As a result, these PMICs are an integral part of any PC, laptop, or other computers. In particular, DC DC Switching Regulators provide a dc input voltage to a dc output voltage, with the added ability to adjust the output voltage as needed. The RT7298BHGQW is an example of such a regulator.

The RT7298BHGQW is a fixed frequency high-efficiency synchronous DC-DC step-down power conversion system from Realtek. It is a complete Power Control System that includes an input voltage range from 2.6 to 5.5V, adjustable outputs up to 5A current. With the unique feature of using external resistors to adjust the output voltage, the device is suitable for low power applications such as lighting, instrumentation, wireless battery power systems, and energy meters.

The RT7298BHGQW\'s main application fields include general power supply applications such as PC and PC peripherals, notebooks, tablet PCs, mobile phones, electric gadgets, digital cameras, LED driver applications, and digital home appliances. It is also suitable for personal electronics such as portable audio players and digital cameras, battery-powered devices, and industrial applications such as car audio, and electric toys.

The main advantage of the RT7298BHGQW is its proprietary synchronous switch mode topology and high efficiency power conversion. It offers precise input/output voltage regulation and very fast response time against lines/loads transients. The device is also very small in size and suitable for high density designs. Additionally, the RT7298BHGQW features: a high switching frequency of 2MHz, adjustable output voltage, operated under light load conditions and using a constant on-time (COT) control, external synchronization and spread spectrum operation (SSO), excellent line/load regulation, thermal protection, current limit protection, and short-circuit protection.

The RT7298BHGQW works on a voltage-mode control scheme, which uses an external resistor divider to adjust the output voltage. The current feedback control is generated by sensing the voltage across the output inductor. This low-cost switching regulator is one of the most popular for general power supply applications. The device has a typical efficiency of more than 85% and can operate from an input voltage of 2.6 to 5.5V.

The RT7298BHGQW is an excellent choice for a wide range of general power applications. Its small size and high efficiency make it the perfect power management solution. With the ability to accurately adjust output voltage and featuring safety features such as current limit protection and thermal protection, the RT7298BHGQW is a reliable and cost-effective solution for powering PC peripherals, notebooks, and small electric gadgets.

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