ZSR520N8TA Integrated Circuits (ICs)

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The ZSR520N8TA is an integrated linear regulator from Diodes Incorporated that helps to protect connected components from voltage drops. This LDO (low-dropout) regulator is ideally suited for use on various battery-powered systems, such as mobile phones, portable media players, handheld gaming systems, and other personal electronic devices. It has a wide input voltage range of 2.7V to 20V, and a low quiescent current of 1μA. The ZSR520N8TA is designed to be able to provide constant output voltage, regardless of variations in the input voltage or changes to the load.

Application Field

As a linear regulator, the ZSR520N8TA is primarily used in applications that require the delivery of a constant voltage and current, such as digital-to-analog converters, medical instruments, automotive subsystems, data acquisition systems, and so on. The device is also well-suited for applications where noise suppression and low dropout voltage are critical, such as in battery-powered tools, game consoles, and portable media players. The ZSR520N8TA can be used to regulate up to 500mA of current, and provides a very wide temperature operating range of -40°C to 125°C.

Working Principle

The ZSR520N8TA’s working principle is based on a traditional Linear Regulator (LDO) design. The device takes a variable input voltage and uses MOSFETs and a current-limiting circuit to regulate the output voltage to a much lower value. The ZSR520N8TA achieves a very low dropout voltage (V_drop) of just 180mV at 500mA of output current. The idea behind this design is to provide devices and components with an even, steady voltage, even with variations in the incoming voltage or changes in the load.

The ZSR520N8TA features a built-in error amplifier and reference, allowing it to keep the output voltage constant without over-driving the pass element. The device also incorporates additional protection features, such as temperature protection and over-current protection, to ensure that it operates reliably, even in extreme temperatures and current conditions.

Conclusion

The ZSR520N8TA is a low-dropout linear regulator from Diodes Incorporated that provides a constant output voltage, regardless of variations in the input voltage or changes to the load. It is ideally suited for use in a wide range of applications, including digital-to-analog converters, medical instruments, automotive subsystems, data acquisition systems, and battery-powered tools. The device’s wide input voltage range and low dropout voltage make it an ideal solution for high-current applications. The ZSR520N8TA also features a range of protection features, ensuring reliable operation, even in extreme temperatures and conditions.

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