LP3856ET-2.5/NOPB

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The LP3856ET-2.5/NOPB is an adjustable, low noise, low dropout linear voltage regulator designed to provide low power and low voltage output solutions. It is suitable for applications such as 5V logic, voltage monitoring, and other power management functions. It is based on a Bipolar NPN transistor design, with a common collector output and a controllable source voltage.

The LP3856ET-2.5/NOPB is a linear voltage regulator with a wide input voltage range of 2.5V to 12V. It has adjustable current limiting circuitry, which helps protect the device from over-current conditions. It features a fast-response transient current protection scheme with an electrical turn-off time of less than 1µs. The units have an adjustable output voltage range from 1V to 36V, and an output current of 1.5A.

The output of the circuit is determined by two primary components, the NPN transistor, and the feedback amplifier. The NPN transistor is driven by a reference voltage to control the current flow across the output transistor. The feedback amplifier is connected to the output terminal and it is used to vary the control voltage of the output transistor based on the output voltage.

The device is designed to provide a high degree of accuracy, with a line regulation of 0.02%/V, and a load regulation of 0.1%/A. It has excellent temperature stability, with a temperature coefficient of 15ppm/ºC and a temperature range of -20ºC to 125ºC. It also has excellent transient response and equivalent series resistance (ESR) characteristics, with a total ESR of 0.5mΩ.

The device has an over-temperature protection feature, which shuts down the device when it has reached its maximum temperature. It also includes a power-good signal that indicates when the output voltage is within its specified range. It is available in a small SOT-23-5 package with a power dissipation of up to 500mW.

In summary, the LP3856ET-2.5/NOPB is an adjustable, low noise, low dropout linear voltage regulator designed to provide low power and low voltage output solutions. It has a wide input voltage range, adjustable output voltage, and an output current of 1.5A. It is also temperature stable and has excellent transient response characteristics. It is available in an SOT-23-5 package and is suitable for a variety of applications in power management.

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