LP2951ACN-3.0G

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

LP2951ACN-3.0G is a linear voltage regulator integrated circuit (IC), designed to provide precision voltage control over a wide range of input voltages. It offers a great deal of flexibility and protection features, including over-voltage protection, output current foldback protection, over-temperature protection, as well as ESD and latch-up immunity.

Typical applications of LP2951ACN-3.0G include power supplies, local on-chip regulators, remote or stand-alone regulators, as well as automotive applications.

Working Principle

The LP2951ACN-3.0G is a three-terminal linear regulator IC. It requires an externally applied input voltage that is higher than the regulated voltage. The input voltage is regulated down by the regulator to a lower pre-set voltage and then provided to the load through the output terminal. The output voltage is maintained constant over varying input and load conditions at the accuracy specified.

The control circuitry inside the LP2951ACN-3.0G senses the output voltage using an on-chip differential amplifier. This is then fed to a comparator, which in turn compares it with an internal reference voltage. The reference voltage is stable and can be adjusted using a combination of external resistors. When the output voltage deviates from the reference voltage, the comparator generates an error signal and the control circuitry then adjusts the pass transistor to bring the output voltage back within range.

The LP2951ACN-3.0G also offers protection from possible faults, including over-voltage protection which activates the pass transistor when the output voltage rises above a pre-determined level to reduce power dissipation. It also has over-temperature protection that detects when the internal temperature of the IC rises above the pre-determined level, and shuts down all circuitry when this protection limit is reached.

Conclusion

LP2951ACN-3.0G is a linear voltage regulator IC, designed for a wide range of input and output voltages. Its protection features make it an ideal choice for applications that require precise, robust, and reliable control of the output voltage. The internal circuitry of the IC simplifies the process of voltage regulation and provides the user with a cost-effective option for voltage regulation.

The specific data is subject to PDF, and the above content is for reference