LP38855SX-0.8

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The LP38855SX-0.8 is a low-dropout linear regulator with low noise and low power consumption. It is designed to deliver up to 0. 8A of sustained output current in a small SOT-23 package. The high power density makes the LP38855SX-0. 8 ideal for applications requiring high output current in a small form factor, such as embedded power systems, industrial control systems, and high-performance instrumentation.

The LP38855SX-0. 8 operates from an input voltage range of 2. 8V to 5. 5V and provides a regulated output voltage down to 0. 8V. It is also capable of sourcing current up to 0. 8A in a SOT-23-5 device and up to 1. 2A with a maximum input voltage of 5V in a SOT-23-6 package. The regulator provides short-circuit protection and excellent load and line regulation. The high-efficiency design provides extended battery life in low-voltage applications, and it maintains high accuracy over a wide operating temperature range to provide superior performance in thermally demanding applications. In addition, the device features thermal shutdown and active current limit protection to ensure safe operation.

The LP38855SX-0. 8 is designed to operate with minimal noise, making it ideal for noise-sensitive applications such as communication systems, test and measurement systems, and medical instrumentation. The device also features a low ground pin current to reduce power dissipation and improve thermal performance. Furthermore, the device supports a wide temperature operating range from -40°C to +125°C.

The LP38855SX-0. 8 operates by using two main techniques: an internal PNP pass transistor, and a voltage reference and error amplifier. The voltage reference sets the output voltage and the error amplifier compares the output voltage with the voltage reference. When a difference between the two is detected, the error amplifier signals the PNP pass transistor to adjust current flow to the output to compensate for the voltage difference. Adjustments are made in small increments to reduce power dissipation and noise.

The LP38855SX-0. 8 linear regulator is an ideal choice for applications such as embedded power systems and industrial control systems, as well as cellular phones, personal digital assistants (PDAs), digital cameras, and gaming systems. Thanks to its low-dropout voltage, low-noise operation, and wide operating temperature range, the LP38855SX-0. 8 is a highly efficient and robust solution.

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