RT9193-28GJ5

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PMIC, or Power Management Integrated Chips, are integrated circuits which provide reliable, consistent and efficient power management for digital devices. A PMIC\'s main function is to convert electricity from an input source into other forms of energy, such as voltage, current and heat. They also provide protection to the circuit from overvoltage, overcurrent, excessive heat and other internal or external sources of damage. Among the different types of PMICs, linear regulators are a type of devices used to regulate the output voltage of an electrical circuit. The RT9193-28GJ5 is a linear voltage regulator from Richtek which provides excellent load and line regulation. This article is going to explore the application field and working principle of the RT9193-28GJ5.

The RT9193-28GJ5 can find its application in various different fields. It is used in mobile handsets and tablets, AP/CPE and other network equipment, wearable and medical devices. It is also used in audio systems, power tools and in various other applications requiring efficient and reliable power management. The RT9193-28GJ5 is also used in automotive applications due to its wide operating temperature range of -40°C to +150°C. This means that the RT9193-28GJ5 can be used in applications where extreme temperatures are expected. Its low quiescent current of just 25uA maximum and low dropout voltage of 340mV at load current of 1A makes it an excellent choice for those applications.

The RT9193-28GJ5 is a low Dropout voltage regulator with an output current of up to 1A. It features a pulse-by-pulse current limit and thermal shutdown protection. This device also provides high accuracy output voltage and prevents the load from excessive supply voltage. The output voltage of this device is adjustable and can be adjusted from 1.3V–3.3V within 200mV steps. The adjustable range of output voltage makes this regulator extremely versatile and suitable for various different applications. The output voltage of the RT9193-28GJ5 can be easily adjusted using the external voltage divider connected to the Adjust pin. As far as the input voltage is concerned, it has a wide input voltage range from 1.8V–6.0V, allowing it to work with a variety of input sources.

The RT9193-28GJ5 has a fixed reference band- in circuitry which ensures that the output voltage is precisely regulated and does not vary with the temperature or the change in load. The regulator is also EMI immune, which allows it to be used in applications where high levels of electromagnetic interference may be present. The RT9193-28GJ5 is also very efficient, and at a load current of 1A, it has an efficiency of up to 94%.

The working of RT9193-28GJ5, as with other linear regulator, is simple. It has an input terminal, which is connected to power source, and the output terminal, which is connected to the load. The output terminal is regulated to the desired voltage level by an internal error amplifier. The error amplifier compares the input voltage and the feedback voltage, which is the voltage at the output terminal. If the output voltage does not match the desired voltage level, the error amplifier reduces or increases the output voltage until it matches the desired level. This is done by increasing or decreasing the current to the output terminal. The RT9193-28GJ5 is an excellent choice for efficient and reliable power management.

To conclude, the RT9193-28GJ5 is a high-performance, low dropout linear voltage regulator from Richtek. It has a wide input voltage range and a wide temperature range, making it suitable for various different applications. It is a very efficient device and provides excellent load and line regulation. Its high accuracy output voltage and EMI immune circuitry make it an excellent choice for those applications requiring reliable and efficient power management.

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