RT9261-35GB

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DC-DC switching regulators are a type of integrated circuit that regulates the output voltage of a given power supply. The RT9261-35GB is a modern, multi-purpose voltage regulator designed to suit various digital circuit applications. In particular, it features high output voltage accuracy, low dropout voltage regulator, and low quiescent current consumption for providing a wide range of regulation for diverse operating conditions and power requirements. This article will discuss the application field and working principle of the RT9261-35GB voltage regulator.

Application Field: The RT9261-35GB voltage regulator is suitable for use in a variety of digital circuit applications. It offers a wide range of output voltage accuracy, low dropout voltage, and low quiescent current consumption. This makes it an ideal choice for applications such as wireless charging, battery management, and other point-of-load circuits. Additionally, due to its high ripple rejection, high noise immunity and wide supply voltage range (2V to 6.5V), the RT9261-35GB is perfectly suited for applications that require a regulated output voltage in hard to reach places.

Working Principle: The RT9261-35GB voltage regulator works in a buck-boost topology, using a precision internal error amplifier to ensure accurate output voltage regulations. Its core power switch operates at an internal switching frequency of 1.5MHz, with internally set loop and frequency compensation values to optimize system performance. The integrated MOSFETs ensure high efficiency and a low quiescent current consumption. The RT9261-35GB also features internal soft start, fixed frequency current limit protection, and power good flag to indicate the steady output. The output capacitors are also integrated, offering excellent bypassing and high noise immunity.

The RT9261-35GB voltage regulator is an excellent choice for high output voltage accuracy, low dropout voltage and low quiescent current consumption applications. Its buck-boost topology, integrated MOSFETs, internal soft start, current limit protection, and integrated output capacitors offer excellent performance, excellent noise immunity, and good system stability. The small footprint and integrated components make it a great choice for applications that require a regulated output voltage.

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