LM4040EIZ-2.5/NOPB

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Power Management ICs (PMICs) provide essential voltage, current, and temperature levels for power supply management to semiconductor integrated circuits. Voltage Reference is a type of PMIC that gives an accurate reference voltage. The LM4040EIZ-2.5/NOPB is an example of a voltage reference device, offering high accuracy and low temperature-coefficient for a wide range of applications.

Application Field

The LM4040EIZ-2.5/NOPB is a CMOS band-gap voltage reference that is available in a SOT-23. It is designed for a wide range of voltage regulation and supply monitoring applications. The device is assembled in an SOT-23 package and features an adjustable band-gap output voltage that is guaranteed to keep accuracy over temperature and line variations. Its low supply current makes it ideal for low voltage and portable applications. It is also often used in battery-powered applications such as in mobile devices, notebook computers, digital still cameras, and medical equipment.

Features

The LM4040EIZ-2.5/NOPB voltage reference device features a trim capability of 150ppm/V typically over a supply voltage range of 2.7V to 16V. It has a wide temperature range of -40°C to +125°C for industrial temperature grades and can operate from -55°C to +125°C for automotive grades. It is also capable of low current consumption of 2.5µA and high accuracy of 0.2%. The device has an adjustable band-gap output voltage from 2.495V to 6V and can available with 8-pins.

Working Principle

The working principle of the LM4040EIZ-2.5/NOPB is based on a band-gap reference circuit using a temperature-compensated reference diode. The diode creates a voltage drop that is proportional to absolute temperature (PTAT) and compensates for changes in temperature. It also provides a linear output voltage. The output is adjustable to any number within a range of 2.495V to 6V by using three external resistors. The resistance can be adjusted to control the band-gap voltage to provide a precise voltage reference.

Conclusion

In summary, the LM4040EIZ-2.5/NOPB voltage reference device is an excellent device for low voltage and temperature range applications. It has a wide operating temperature range and low current consumption that make it ideal for use in mobile and battery-powered equipment. With its adjustable output voltage and high accuracy, it is an excellent choice for precision voltage regulation, supply monitoring, and other applications.

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