TS5205CX5 RFG

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Linear regulators are considered the most basic form of power management integrated circuits (PMICs). The TS5205CX5 RFG is a low dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It is available in a miniature 3.2 mm x 1.6 mm surface mount package, suited for automotive and power-saving applications in a wide range of industrial and consumer applications. This article will outline the application field and working principle of the TS5205CX5 RFG.

Application Field

The TS5205CX5 RFG is an ideal power management solution for automotive and industrial applications. It has been optimized for automotive systems and has passed AEC-Q100 Grade 0 qualification for automotive use. This means that it is well suited for use in dashboard consoles, navigation systems, in-car entertainment systems, and other vehicle devices. It is also suitable for use in industrial systems and embedded devices. The low dropout voltage provides high efficiency and stable supply voltage to the load even during high current draw. In addition, the low on-resistor of 4 Ω and low quiescent current are beneficial for battery-based applications. Its low dropout voltage feature also offers significant power savings. The TS5205CX5 RFG is available in input range of 3.0V to 15V and output range of 0.8V to 5.0V.

Working Principle

The TS5205CX5 RFG is a linear voltage regulator that works on the principle of voltage sensing. A voltage sensing circuit is used to detect the input voltage and compare it to a reference voltage. If the input voltage is higher than the reference voltage, it will draw current from the input and send it to the load. This reduces the voltage and maintains the output voltage at a constant level. In addition, the TS5205CX5 RFG has thermal protection, over-voltage protection, as well as short-circuit and reverse-current protection. It also includes a power-on reset function that ensures the output voltage remains at the specified voltage when power is applied.

The TS5205CX5 RFG has a maximum output current of 500 mA, with a quiescent current of 3 mA. With its low dropout voltage of 0.2V, the linear regulator is able to provide high efficiency power supply with low power loss. In addition, it has a wide operating temperature range of -40°C to 125°C, making it suitable for applications in different environments.

Conclusion

The TS5205CX5 RFG is an ideal power management solution for automotive and industrial applications. It has low on-resistor and quiescent current, and a wide operating temperature range making it suited for use in different environments. Its low dropout voltage and thermal, over-voltage, and short-circuit protection are beneficial for use in automotive applications. This linear voltage regulator works on the principle of voltage sensing, and is able to provide high efficiency power supply with low power loss for applications that require a stable supply voltage.

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