LP38856SX-0.8

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The LP38856SX-0.8 is an integrated linear voltage regulator designed to provide up to 500mA of output current in a miniature package size. This SOT-23-8 device is suitable for many designs requiring low operating currents and small board space requirement. It can provide a wide input voltage range from 4.5V-20V, and the output voltage is adjustable from 0.8V-VIN. The LP38856SX-0.8 is ideal for battery applications and provides functionality for battery maintenance and protection.

The LP38856SX-0.8 meets the requirements for a variety of low noise power applications due to its low noise linear voltage regulation. Its low quiescent current of <50μA along with only having one external resistor make it an ideal choice for Smart phones and other portable applications.

The LP38856SX-0.8 features an adjustable output voltage, wide input voltage range of 4.5V-20V, and 500mA peak output current. Also, its low dropout voltage, high power supply rejection ratio, enable current limiting feature and over temperature protection make it an excellent option for many power applications. It also has a fast startup time of 500μs.

The working principle of LP38856SX-0.8 is based on a linear voltage regulator. This device operates by controlling an internal pass transistor using an internal error amplifier. The error amplifier compares the output voltage to an internal reference voltage and the output voltage is then adjusted accordingly. The error amplifier control loop then adjusts the internal pass transistor to regulate the output voltage according to this comparison.The LP38856SX-0.8 can be used in a variety of applications such as consumer goods, portable devices, digital cameras, and audio equipment. Due to its low quiescent current and fast start-up time, it can be used as an power supply for mobile communication devices such as smart phones and tablets. In addition, its low noise output, wide input voltage range and adjustable output voltage make it perfect for linear power supplies. The LP38856SX-0.8 is designed to be integrated into a host system board to provide power regulation. A host board design must include additional circuitry such as the output capacitor, the feedback resistor, and if necessary, an input capacitor. These elements set up the filters and hold up the output voltage.

In summary, the LP38856SX-0.8 is an integrated linear voltage regulator designed to provide up to 500mA of output current in a miniature package size. This device is ideal for battery applications and provides functionality for battery maintenance and protection. Its low quiescent current of <50μA along with only having one external resistor make it an ideal choice for Smart phones and other portable applications. With its low dropout voltage, high power supply rejection ratio, enable current limiting feature and over temperature protection, the LP38856SX-0.8 is an excellent option for many power applications.

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