REF5025SHKQ Integrated Circuits (ICs)

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Voltage Reference is a very important and integral component of Power Management Integrated Circuits (PMIC). It serves the primary purpose of providing a steady and stable reference voltage to other parts of the PMIC. This reference voltage is used in measuring and regulating the other voltages generated by the PMIC, and is thus often referred to as the “heart of the PMIC”. One such voltage reference component is the REF5025SHKQ. This component is manufactured by Texas Instruments and is a voltage reference capable of supplying up to 25.0 V.

The REF5025SHKQ is a low-power, 5-volt scannable bandgap reference with low temperature drift, offering accurate and stable output voltage (nominally 2 volts) over a wide input voltage range (1.4V – 25V). The device also offers good accuracy across temperature and process corners, exhibiting output voltage stability of only ±0.1% over temperature and process variations, allowing the device to provide an extremely stable power supply for sensitive analog circuits.

The device provides an output voltage across a current-resistor divider. It contains an internal voltage reference that monitors an external reference voltage, compensating for supply noise and temperature. This internal reference then applies an inverse gain to the current flowing through the resistor divider, providing a very precise and extremely stable output voltage. When the reference voltage starts to creep due to supply or thermal noise, the REF5025SHKQ automatically adjusts its bias current to restore the output voltage to its desired value.

REF5025SHKQ is used in many different applications such as: low power data acquisition systems, battery powered test and measurement applications, medical instrumentation and other circuits requiring accurate and stable reference voltages. In addition to its low power consumption and low output voltage, the device\'s low temperature drift makes it perfect for applications in harsh environments such as outdoor location systems and aerospace vehicles where the environment is subjected to extreme temperature fluctuations. Its wide input voltage range makes it an ideal choice for applications that require a voltage reference over a wide supply voltage range, such as automotive systems.

In summary, the REF5025SHKQ is an excellent solution for applications requiring low cost, low power, and high accuracy voltage references. Its wide range of features make it a great choice for many PMIC applications. The device provides an easy to use, accurate, and reliable voltage reference that can be used in a wide variety of applications.

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