REF3140AIDBZT

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Persistent Memory Interface Controllers (PMICs) are special circuit chips typically integrated into computing motherboards that enable modern mobile computing devices to rock a stable supply of power and preserve the correct system voltage level. REF3140AIDBZT is a voltage reference PMIC manufactured by Texas Instruments and is an excellent combination of a low-dropout regulator and a band gap reference.

The REF3140AIDBZT is used primarily in voltage reference based power management and systems where precision is critical. It enables a file system to maintain a stable and consistent voltage level irrespective of resource usage or external conditions. This makes it ideal for mission-critical and/or high-precision applications where extreme precision and low variance over time is desired. Typical applications for the REF3140AIDBZT are automotive systems, industrial sensors, portable devices, and medical equipment.

The REF3140AIDBZT functions at an operating temperature of -40°C to +125°C and can output a voltage range of 4.5 - 5.8V. It has a quiescent current of 2.25mA and an output current of up to 5mA. The REF3140AIDBZT has an accuracy of 0.5% at room temperature and 1% over the operating temperature range and operates at a frequency of 2.2MHz. The device is also RoHS and REACH compliant.

At the heart of the REF3140AIDBZT is its low-dropout (LDO) regulator, which is responsible for stabilizing measured voltages. The integrated band gap reference circuit is used for precise voltage regulation and accurate amplitude control. The LDO helps stabilize the electrochemical potential of the system by allowing current to pass through and maintains the correct voltage level. Additionally, the band gap reference circuit generates and maintains a stable reference voltage, regardless of the current and/or temperature variables. The band gap reference also acts as an overload protector, reducing the risk of damage to the system.

The REF3140AIDBZT is a unique combination of low-dropout regulator and band gap reference that helps systems maintain a stable, consistent voltage level. It is used primarily in voltage reference based power management and systems where precision is critical. With its excellent accuracy and low quiescent current, the REF3140AIDBZT is the ideal choice for automotive systems, industrial sensors, portable devices, and medical equipment.

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