LP5912-1.8DRVR

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The LP5912-1.8DRVR is a precision, low-noise linear regulator from Texas Instruments. It is part of the family of advanced, low drop-out (LDO) linear regulators, providing both low-noise and high-ripple rejection performance. It provides excellent transient response and thermal stability. At 500mA quiescent current, its noise level (15µVRMS) is lower than its competitors. The LP5912-1.8DRVR is suitable for a wide range of applications which require clean, low-noise power.

Applications of LP5912-1.8DRVR

The LP5912-1.8DRVR is intended for a wide range of applications where clean, low-noise power is essential. It is particularly well-suited for powering sensitive CMOS and analog application circuits, including:

• Digital audio and video players
• Mobile phones
• GPS systems
• Computer peripherals
• DVC/DTV applications
• Security systems
• Industrial systems
• Medical systems

Working Principle of LP5912-1.8DRVR

The LP5912-1.8DRVR is based on a standard linear regulator topology. The device features an on-board reference voltage circuit and two output transistors. The reference voltage is supplied from an external source, such as a battery or a voltage regulator, and is set with a single resistor. The device monitors the output voltage and automatically adjusts the output transistors to maintain the output voltage at a constant level. The device features two separate outputs, which can be independently adjusted. The output voltage range of the device is from 0.7V to 1.8V.

The LP5912-1.8DRVR is designed to provide excellent transient response. It features high PSRR (power-supply ripple rejection), which reduces the amount of noise and allows it to maintain its desired output voltage when subjected to high-amplitude switching noise. The device also features a low-noise output, which allows it to reduce noise drastically in sensitive analog circuits.

The LP5912-1.8DRVR is designed to operate in a wide range of temperatures (-40°C to +125°C). It features thermal protection, which allows it to shut down if the temperature exceeds the given limit. The device also features ESD protection, which allows it to withstand high voltages, such as electrostatic discharge, without causing any damage to the device.

Conclusion

The LP5912-1.8DRVR is a precision, low-noise linear regulator from Texas Instruments. It is part of the family of advanced, low drop-out (LDO) linear regulators, providing both low-noise and high-ripple rejection performance. It is suitable for a wide range of applications which require clean, low-noise power. The device features an on-board reference voltage circuit and two output transistors, and its output voltage range is from 0.7V to 1.8V. The device is designed to operate in a wide temperature range and is protected against high voltages. The device is ideal for powering sensitive CMOS and analog application circuits.

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