LP5900TL-2.1/NOPB

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Voltage regulators provide voltage reference and current limit for various applications that require regulated output voltage. The LP5900TL-2.1/NOPB is an example of a Linear Voltage Regulator that is used in a variety of applications.

Applications

The LP5900TL-2.1/NOPB is primarily used as a power solution for Portable Computing and Consumer Electronics. It is a low-dropout (LDO) linear voltage regulator with high efficiency and low voltage regulation accuracy that can be used in the design of power management systems. It can also be used in industrial applications and other applications that require a stable supply voltage.

The LP5900TL-2.1/NOPB is a low-dropout (LDO) linear voltage regulator providing a low drop-out voltage of 80mV at 1A. It offers up to 1.5A of load current for loads up to 5A peak. It has high power supply rejection ratio (PSRR) of 64dB and low noise of 45uV. This makes it suitable for use in noise sensitive applications such as portable systems and consumer electronics.

The LP5900TL-2.1/NOPB is also suitable for low power and battery backup applications. It has a low quiescent current of only 3.5mA at 1A of load current and can operate with input supply voltages as low as 2.5V. This makes it suitable for use in systems powered by batteries or low voltage sources.

Features

The LP5900TL-2.1/NOPB offers many features that are beneficial for its applications. It has a wide input voltage range of 2.5V to 16V and an output voltage range of 0.8V to 10V. The device is also over-temperature, over-current and reverse-current protected. This helps to ensure that the output voltage remains stable under a variety of circumstances.

The LP5900TL-2.1/NOPB has low output noise of <45uV RMS and has a high power supply rejection ratio (PSRR) of 64dB. The device is also available in both different types of packages: SOT23-5 and TO-252, which makes it easy to find a suitable package for any application.

Working Principle

The LP5900TL-2.1/NOPB is a low-dropout (LDO) linear voltage regulator. This means that it uses a feedback loop topology to regulate its output voltage. When the voltage across the load changes, the regulator will adjust its output voltage in order to maintain the correct output voltage. The regulator is designed to provide a constant and steady output voltage regardless of the load conditions.

The regulator operates by comparing the output voltage to the reference voltage, and then adjusting the internal voltage control element accordingly. The output voltage is regulated by a combination of two current sources, one for ramping up the output voltage and the other for ramping down the output voltage. This helps to ensure that the output voltage stays at the desired level.

The LP5900TL-2.1/NOPB also features over-temperature, over-current and reverse-current protection, which helps to ensure that the output voltage remains stable under a variety of operating conditions. The regulator also features low quiescent current and high power supply rejection ratio (PSRR) of 64dB, which helps to ensure that the output voltage is stable and reliable.

Conclusion

The LP5900TL-2.1/NOPB is a low-dropout (LDO) linear voltage regulator with a wide input voltage range and an output voltage ranging from 0.8V to 10V. It has high power supply rejection ratios (PSRR) of 64dB and low output noise of <45uV RMS. It offers up to 1.5A of load current for loads up to 5A peak. The regulator is suitable for use in portable systems, consumer electronics, and low power and battery backup applications. It is over-temperature, over-current and reverse-current protected and available in both SOT23-5 and TO-252 package.

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