LP3856ET-5.0

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The LP3856ET-5.0 is a low-power Linear Voltage Regulator (LVR) specifically designed for use in portable and mobile applications. It provides stable, accurate, low-dropout output current (greater than 10mA) and low noise performance in a space-saving 3mm x 4mm package. The LP3856ET-5.0 is designed specifically for use in mobile applications, such as cell phones and other portable devices that require low-power, low-dropout voltage regulation. The LP3856ET-5.0 is designed to operate from a 3V to 12V input voltage range, making it suitable for high input voltage applications. In addition, the LP3856ET-5.0 has a wide output voltage range (from 1.2V to 7.5V), with a maximum output current of 60mA, making it suitable for powering a variety of high- current loads.

The LP3856ET-5.0 is a linear regulator that utilizes a simple voltage regulation loop to provide an output voltage that is stable regardless of the load. The LP3856ET-5.0\'s output voltage is determined by the resistive divider ratio and the output reference voltage of the internal voltage reference. When the output voltage is lower than the output reference voltage, the LP3856ET-5.0 increases the output voltage until it is equal to the output reference voltage. If the output voltage is higher than the setpoint, the LP3856ET-5.0 decreases the output voltage until it is equal to the setpoint. This regulation loop is the underlying principle of linear regulation.

In order to ensure regulated output voltage, the LP3856ET-5.0 utilizes a few key components. The primary regulating device is a PMOS transistor, controlled by a high-gain error amplifier. The error amplifier is connected to the output via the feedback loop and compares the output voltage to the voltage reference. When the output voltage varies from the setpoint, the error amplifier adjusts the MOSFET gate voltage in order to bring the output voltage back to the setpoint.

The feedback and control loop of the LP3856ET-5.0 is designed for rapid response, low output voltage deviation, and stable operation. The LP3856ET-5.0 is specifically designed for low output voltage and load variations, offering a stable output voltage even under the most stringent load conditions. In addition, the LP3856ET-5.0 contains protection circuitry that ensures safe and reliable operation in the event of an abnormal input or output voltage.

Due to its low power requirements and stable, accurate performance, the LP3856ET-5.0 is an ideal choice for use in a variety of portable and mobile applications. It can provide a regulated output voltage over a wide input voltage range and can support a variety of high current loads. In addition, its space-saving 3mm x 4mm package makes it ideal for size-constrained designs. With its low-dropout performance, its wide output voltage range, and its low-power requirements, the LP3856ET-5.0 is an excellent choice for low-power linear voltage regulation in portable and mobile applications.

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