ZRC400A03STOA

PMIC – Voltage Reference

Voltage reference (also known as reference voltage) is a circuit designed to generate a known voltage regardless of the supply voltage or temperature. It is commonly used in power management integrated circuits (PMIC) to maintain a stable output voltage and minimize power dissipation across a load. Voltage references are available in both discrete and integrated form and typically feature output voltage levels ranging from 1.2 – 5.0 Volts.

ZRC400A03STOA is a PMIC voltage reference designed for consumer and industrial applications. It is designed for both 5 Volt and 3.3 Volt single-supply systems with a maximum output voltage accuracy of 0.5%. This device features low-power consumption and has external programmability. Additionally, it is compatible with a wide range of system components such as microprocessors, FPGAs, memory controllers, and system controllers.

Application Area

The ZRC400A03STOA voltage reference is ideal for applications requiring a reliable, low-noise voltage reference in a small package. It can be used in TV and monitor systems, optical drives, and other consumer electronics. Additionally, it can be used in industrial applications that require a precision voltage reference. Examples of potential industrial applications include medical and automotive systems, home appliances, and process control.

Working Principle

The ZRC400A03STOA voltage reference is designed to maintain a consistent voltage output despite changes in load current and supply voltage. It is based on a White Bandgap Reference circuit, which allows for a wide output voltage range and ultra-low power dissipation. The device utilizes a voltage divider to convert the input voltage to the desired reference voltage. This reference voltage is compared with an internal reference voltage and then compared with the output of an amplifier. The output of the amplifier is then regulated using a feedback loop to output the desired reference voltage.

The ZRC400A03STOA reference voltage is programmable via external resistor, allowing the user to fine-tune the output voltage to match the operating requirements. Additionally, the device features a built-in output voltage trim, which can be adjusted via a small external screwdriver.

The ZRC400A03STOA is capable of providing precision voltage reference in a small package, making it a perfect choice for applications requiring a stable and accurate voltage reference. Additionally, its external programming capability allows for further customization and fine-tuning, making it an ideal choice for industrial and consumer applications.

Conclusion

The ZRC400A03STOA is an ideal solution for applications requiring a stable and accurate voltage reference in a small package. Its features, such as external programmability and low-power consumption, make it a perfect choice for both consumer and industrial applications. Additionally, its wide output voltage range and high accuracy ensures reliable operation in all conditions.