LP3985IM5X-285/NOPB

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Voltage regulators are parts of electrical circuits for maintaining a constant voltage on a source. Linear voltage regulators are a type of voltage regulator that offers excellent accuracy, good power stability, and low heat dissipation. LP3985IM5X-285/NOPB from Texas Instruments is an example of a linear voltage regulator. In this article, we will explore the LP3985IM5X-285/NOPB application field, its working principle, and other details related to its use.

LP3985IM5X-285/NOPB Application Field

The LP3985IM5X-285/NOPB is a low-dropout (LDO) linear voltage regulator which is used in a wide range of applications. It is suitable for portable devices like smartphones, digital cameras, tablet PCs, PDAs, and other electronic gadgets. The low dropout voltage makes it ideal for powering these devices in low-voltage, high-current conditions. Additionally, it can be used to regulate the power supply of embedded systems, computer and laptop motherboards, embedded systems and devices, automobiles, and medical devices.

LP3985IM5X-285/NOPB Working Principle

The LP3985IM5X-285/NOPB is a low-dropout linear voltage regulator. It is designed to maintain a precise output voltage with a very low dropout voltage. The device utilizes a precision reference and an internal switch for the regulation of output voltage. A feedback voltage is compared with the reference voltage. If the feedback voltage is lower than the reference voltage, the internal switch is activated and a current is drawn from the input and passed through the reference voltage. This regulates the output voltage to a precise level. If the feedback voltage is higher than the reference voltage, no current is drawn from the input and the output voltage is maintained at the predetermined level.

The LP3985IM5X-285/NOPB is an improved version of the LP3985IM3X-x.xx/NOPB, offering superior performance for better regulation and higher current capability. Its low dropout voltage helps reduce power consumption, enabling longer battery life in portable applications. Additionally, it is designed to provide better accuracy and better transient response. The device also includes a power-on reset (POR) circuit to ensure that the power supply remains in a regulated state even when the input voltage is intermittent or fails.

LP3985IM5X-285/NOPB Features

The LP3985IM5X-285/NOPB features a low dropout voltage to reduce power consumption, an internal 0.8V reference, and an adjustment pin for output voltage adjustment. It also includes a power-on reset circuit, an enable pin, and thermal protection. The device is available in both surface mount and through-hole packages. Additionally, it is available in a range of output voltages from 1.2V to 5.0V and provides a wide input range from 2V to 30V.

LP3985IM5X-285/NOPB Advantages

The LP3985IM5X-285/NOPB offers a wide range of benefits. Its low dropout voltage enables low power consumption and longer battery life in portable applications. The device also provides excellent precision for output voltage regulation in a wide range of applications. The internal 0.8V reference ensures accurate regulation of output voltages and its wide input range ensures compatibility with a broad range of DC sources. Furthermore, it includes a power-on reset circuit, an enable pin, and thermal protection to ensure safe operation.

Conclusion

The LP3985IM5X-285/NOPB from Texas Instruments is a low-dropout linear voltage regulator well-suited for portable devices, embedded systems, computer motherboard, automobiles and medical devices. Its low dropout voltage, excellent accuracy, and wide input range make it an ideal solution for these systems. Additionally, the device offers an internal 0.8V reference, a power-on reset circuit, an enable pin, and thermal protection for superior performance and safety. In summary, the LP3985IM5X-285/NOPB is an excellent choice for reliable, accurate, power-efficient voltage regulation in a variety of applications.

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