LP3990TLX-0.8/NOPB

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The LP3990TLX-0.8/NOPB is a voltage regulator belonging to the PMIC - Voltage Regulators - Linear category. It is a low-dropout linear regulator with a very low quiescent current design that is optimized for applications requiring microamps of quiescent current. With very high-output accuracy, theLP3990TLX-0.8/NOPB is ideal for cost-sensitive, space-constrained applications. It operates with an input voltage range of 2.5 V to 6 V and output voltage up to 5.5 V, with a maximum output current of 150 mA.

The LP3990TLX-0.8/NOPB includes several features that make it an ideal choice for battery-powered applications. Low quiescent current of 500 nA at no load—and 1.2 µA in shutdown—promote longer battery life. Moreover, the device supports maximum output accuracy of ±1% and low dropout voltage of 0.8 V. An additional feature includes excellent line and load transient response for both portable and non-portable applications.

In terms of efficiency, the LP3990TLX-0.8/NOPB offers very low drop-voltage, which helps reduce power loss and improve efficiency. The device offers a programmable output current limit, allowing designers to tailor the device to their specific application requirements. This helps save on component cost and reduces time to market.

The LP3990TLX-0.8/NOPB device is used in a variety of applications, including portable devices such as tablets, phones, and wearable devices as well as audio amplifiers and automotive charging systems. It also finds use in systems where low quiescent current, low dropout voltage and high accuracy are desired.

The LP3990TLX-0.8/NOPB works on the principle of regulating the output voltage by varying the output current. The device operates by sensing the output voltage and adjusting the amount of current sent to the load to maintain the output voltage at a predetermined level. The device includes precision voltage references and error amplifiers which sense any deviations from the output voltage, and adjust the current accordingly. To ensure accurate regulation, the device also includes compensation circuitry.

The LP3990TLX-0.8/NOPB device also offers several advantages compared to other similar devices. In addition to the previously mentioned features, it also offers thermal shut-down protection and current limiting, which provide additional protection and improve system reliability. The device also provides fast transient response and is resistant to input voltage transients and other unexpected conditions.

Overall, the LP3990TLX-0.8/NOPB voltage regulator is an excellent choice for cost-sensitive, space-constrained applications. With its very low quiescent current design and high output accuracy, the LP3990TLX-0.8/NOPB device is ideal for powering a variety of portable and automotive devices, while providing robust protection and reliable performance.

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