LP2989AIMX-1.8

Current - Output:	500mA
Base Part Number:	LP2989
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	9mA
Current - Quiescent (Iq):	175µA
Series:	--
Voltage Dropout (Max):	0.65V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LP2989AIMX-1.8 is a voltage regulator, which is part of the PMIC (Power Management IC) family of products. It provides a stable output voltage over a wide input voltage range, making it suitable for a number of different applications. In this article, we will look at the application field and working principle of the LP2989AIMX-1.8 voltage regulator.

Application Field of LP2989AIMX-1.8 Voltage Regulator:

The LP2989AIMX-1.8 is a low dropout voltage regulator that is ideal for use in applications where a low input-to-output differential is required, such as in battery-powered systems. It can provide a stable and adjustable output voltage, making it suitable for a wide range of applications. It is also suitable for use in communications and other electronics devices. The LP2989AIMX-1.8 can be used in a variety of applications, including portable systems, digital imaging, automotive, medical and industrial applications. It is suitable for use in lighting applications, such as LED lighting, as well as other mobile applications, such as mobile phones, tablets and PDAs.

Working Principle:

The LP2989AIMX-1.8 voltage regulator is designed to provide stable output voltage over a wide input voltage range. It is comprised of two main components; an adjustable linear regulator and a low-dropout linear regulator. The low-dropout regulator is responsible for providing a stable output voltage, while the adjustable-linear regulator is responsible for setting the output voltage. The adjustable-linear regulator uses two interior transistors to pass current through external resistors, which set the output voltage. The low-dropout regulator is a simple transistor circuit which conducts when the input voltage is higher than the output voltage by a certain amount. This ensures the output voltage remains constant, regardless of the input voltage.

Conclusion

In conclusion, the LP2989AIMX-1.8 voltage regulator is a low-dropout voltage regulator that is suitable for applications where a low-input-to-output differential is required. It is suitable for a variety of applications, including portable systems, digital imaging, automotive, lighting and mobile applications. The LP2989AIMX-1.8 comprises of two main components; an adjustable linear regulator and a low-dropout linear regulator. The adjustable linear regulator is used to adjust the output voltage, while the low-dropout regulator is used to ensure that the output voltage remains constant, regardless of the input voltage.

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