LP2957AIT

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PMIC – Voltage Regulators – Linear

The LP2957AIT is a triple low-noise low-dropout regulator that offers low quiescent current, with excellent line regulation, output current and PSRR performance. It has a wide range of voltage and current regulation, making it suitable for a variety of applications, such as digital audio, smart grid systems and automotive power management.

The LP2957AIT has an operating temperature range of -40°C to +85°C and comes in a plastic SO-8 package. It is an ideal choice for applications that require low noise, low power, and tight line and load regulation. With the low noise and dropout voltage, it is especially suitable for low power and high performance applications.

The LP2957AIT is designed to provide a stable regulated output, even under input voltage and load conditions. It features a wide input voltage range between 2.25 and 24 V, and an output voltage range of 1.2 to 23.5V. It can deliver up to 400mA output current, with an output voltage accuracy of ±2%.

The LP2957AIT is designed to provide low-noise and ripple-rejection performance, with a low PSRR of 40dB at 1kHz (50dB at 10kHz). The device also features a low quiescent current of 14µA.

The LP2957AIT employs a unique technique to combine fast transient response and improved load regulation. This technique is based on a special comparator and reference combination, which allows the device to generate a very fast feedback loop for load regulation. The combination of low quiescent current and fast transient response also makes it suitable for battery powered systems.

The LP2957AIT also features an advanced over-temperature protection scheme, which shuts down the device when the temperature exceeds its maximum rated operational temperature. The device also has high input voltage and output voltage protection, as well as over-current and short circuit protection.

Overall, the LP2957AIT is a high quality linear voltage regulator, which offers excellent line regulation, output current and PSRR performance, combined with a wide range of voltage and current regulation. It is ideal for a variety of applications, such as digital audio, smart grid systems and automotive power management.

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