ZRC400F01TC

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The ZRC400F01TC is a voltage reference product released by Richtek, an integrated power solutions provider. It is a product with a wide range of applications. This document will discuss its application field, as well as its working principle.

Application Field

The ZRC400F01TC is a product mainly used in power management for portable electronic devices, such as laptops or mobile phones in which energy saving and long-term battery life are key concerns. This product plays a role in power management by providing a constant voltage reference, which helps reduce current leakage from the power source and thus boost battery efficiency. Additionally, the device can be used in automotive power supplies, which require careful regulation of power inputs and outputs in order to remainsafe, reliable, and efficient.

Working Principle

The ZRC400F01TC combines a bandgap reference and high-precision charge pump circuit to work in a voltage reference mode. Its primary purpose is to provide a constant reference voltage regardless of the temperature, load, or line resistance. The reference voltage produced can range from 1.8V to 6V, depending on the application. The device works by using the bandgap reference circuit to adjust its output voltage with respect to the load current, ensuring that the reference voltage remains constant throughout use.

The device is also able to handle high noise environments due to its built-in noise rejection circuit. This circuit reduces the effects of noise on the device’s accuracy while simultaneously providing immunity to EMI disturbances. This noise-rejection effect is possible due to an RC filter that is incorporated between the device’s logic and output pins. Additionally, the device is able to operate at up to 10kHz, making it suitable for high-frequency applications.

Conclusion

The ZRC400F01TC is a voltage reference device produced by Richtek that has a wide range of applications in portable electronic devices, as well as in automotive power supplies. The device combines a bandgap reference and high-precision charge pump circuit to produce a constant reference voltage over a wide range of load current, temperature, and line resistance. The device is also able to reject noise and operate at up to 10kHz due to its built-in noise rejection circuit. The ZRC400F01TC is a highly versatile device that is suitable for a wide range of applications.

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