RT5789AGJ8F

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package:	TSOT-23-8

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Introduction to the RT5789AGJ8F

The RT5789AGJ8F is the latest in series of DC DC switching regulators from Texas Instruments’ PMIC (peripheral management integrated circuit) product family. This series of regulators is specifically designed for micropower voltage conversion and offer very high efficiency and low ripple. The RT5789AGJ8F is a synchronous buck (step-down) regulator with an input voltage range of 3V to 10V and an adjustable output voltage range of 0.8V to 90% of the input voltage.

Application Field and Working Principle of the RT5789AGJ8F

The RT5789AGJ8F is a DC to DC switching regulator primarily used for voltage down conversion and voltage regulation. A wide range of application areas use DC-DC converters including automotive, solar cell, medical devices, telecom, industrial, and personal electronics. The RT5789AGJ8F works on the principle of voltage translation: it uses a switch to alternately connect the input voltage with a lower output voltage. During each switching cycle, the inductor stores energy from the input voltage and then releases it to the output voltage. This process is repeated periodically with the switching frequency determined by the external components and the load. The RT5789AGJ8F also incorporates a wide range of features including a 20 mV start-up ramp, an adjustable soft-start, frequency synchronization, under-voltage lockout functions and current-limit, over-temperature protection, thermal shutdown, enable/disable logic, and over-voltage protection.

Advantages of the RT5789AGJ8F

The RT5789AGJ8F offers several significant advantages over other current regulators. It is designed to be highly efficient and has a 0.8V to 90% of the input voltage output range. This device is low-cost and also offers very low quiescent current. Furthermore, it is designed with a wide range of features including integrated soft-start, frequency synchronization, under-voltage lockout functions, over-voltage and over-temperature protection. The high efficiency and low quiescent current consumption make the RT5789AGJ8F ideal for a variety of high current applications, such as PDAs, portable media players, and mobile phones, where battery life and cost are particularly important. The device is also popular in energy-sensitive applications such as wearable electronics and medical devices, where cost and low power consumption are key considerations.

Conclusion

The RT5789AGJ8F is a DC to DC switching regulator designed for micropower voltage conversion and high efficiency, low ripple voltage translation. This device is suitable for a wide range of applications including automotive, solar cell, medical devices, telecom, industrial, and personal electronics. Additionally, it has a wide range of features such as a 20 mV start-up ramp, an adjustable soft-start, frequency synchronization, under-voltage lockout functions and current-limit, over-temperature protection, thermal shutdown, enable/disable logic, and over-voltage protection. The RT5789AGJ8F is a low-cost, high performance regulator which, when coupled with its wide range of features and its high efficiency, makes it ideal for a variety of different applications.

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