LM385BZ-2.5

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The LM385BZ-2.5 is a precision low-power shunt voltage reference device that\'s integrated in a SMD package. It contains an on-chip temperature-compensated reference and an error amplifier. This device offers an optimal combination of accuracy, temperature stability, and power consumption, making it an ideal choice in many applications. The LM385BZ-2.5 is a low-dropout voltage reference, which means that it does not require a high input voltage for a steady output voltage. As such, it is widely used in industrial, commercial, and consumer applications.

The LM385BZ-2.5 can be classified as a PMIC - Voltage Reference. This type of device typically operates by using a resistive divider to create an output voltage that is referenced to a tightly regulated voltage reference, such as a precision low-power shunt. The voltage reference device provides a stable voltage source over a wide variation in temperature, load, and line conditions. By using the reference voltage from the LM385BZ-2.5, the voltage regulator is able to maintain a precise output voltage with minimal errors.

The LM385BZ-2.5 offers a wide operating temperature range, making it suitable for both indoor and outdoor applications. In addition, this device is designed to operate over a wide range of supply voltage, increasing its versatility in multiple applications. The LM385BZ-2.5 also features a low power consumption - typically 180 microamperes at 25 degrees Celsius - making it preferable to other voltage references in applications requiring longer battery life.

As far as the working principle of the LM385BZ-2.5 is concerned, it is quite simple. The voltage reference device contains a precision reference diode and a current buffer. When a voltage is applied to the input pin, the current is regulated as a function of a reference voltage and the differential voltage between the input and output. This differential voltage is initiated by the reference diode and adjusted by the current buffer. The reference voltage is then compared to a feedback voltage that is set by an external feedback resistor. The LM385BZ-2.5 then adjusts the current in the feedback loop to maintain the output voltage as close as possible to the reference voltage.

The LM385BZ-2.5 is an ideal choice for designs requiring an ultra-precise, low-power voltage reference. This device is used in a variety of applications, such as controlling battery charging, regulating voltage for power supplies, temperature stabilization, and current sensing. In addition, the LM385BZ-2.5 is also suitable for use in portable electronics, such as cell phones, PDAs, and laptop computers.

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