RT9017-20GBR

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PMIC or Power Management Integrated Circuit has become an indispensable part of modern electronics. It helps in controlling and regulating power supply accurately, as well as providing a compatible, reliable, and efficient source of power to the different components on a circuit. Of all the available PMIC, voltage regulators are an important part of the family. Linear voltage regulators are the most widely used regulators because of their simple architecture, ease of configuration, and low output impedance. One such type of linear voltage regulator is RT9017-20GBR.

The RT9017-20GBR belongs to the buck-boost transformer IC family, as it can both boost as well as reduce an input voltage to the desired output voltage. It provides an adjustable output voltage range of 0.8V to 5V, making it suitable for a wide range of applications. It has a wide operating input voltage range of 3V to 24V and a maximum rated output current of 1.2A. The device also features two independent shutdown inputs, one active low and the other active high, which allow the user to put the device into either a low power or an off state with minimal power consumption. In addition, it also provides an adjustable soft start function, short-circuit protection, over-voltage protection, and an integrated input under-voltage lockout (UVLO) system.

The RT9017-20GBR is symmetrically designed, so it can be used in both boost and buck modes. In the buck mode, the device converts the input voltage to a regulated output voltage, via the internal N-channel MOSFET switch. It also utilizes a fusing capacitor to absorb the energy when the switch is turned off, resulting in improved power efficiency. In boost mode, the device pulls energy from the input capacitors to boost the input voltage to the desired output. The IC also features compensation circuitry that is responsible for controlling the switching cycle of the internal switch.

The RT9017-20GBR is a versatile device, which is suitable for a wide range of applications, such as telecommunications, industrial control, household appliances, network systems, automotive electronics, and battery management. It can also be used in power distribution applications, such as point of load (POL) regulators, SMPS, and charge pumps. Furthermore, the device features strong ESD immunity, making it suitable for use in harsh environments.

To sum up, the RT9017-20GBR belongs to the family of buck-boost transformer ICs and is widely used due to its simple architecture, ease of configuration, and wide voltage and current range. Its adjustable output voltage range, wide operating input voltage range, and ESD immunity make it suitable for use in a variety of applications like telecommunications, industrial control, network systems, and battery management, among others.

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