LP2988AIMX-3.0

Current - Output:	200mA
Base Part Number:	LP2988
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:	65dB (1kHz)
Current - Supply (Max):	3.7mA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.35V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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Part Status:	Obsolete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 to the LP2988AIMX-3.0 Voltage Regulator

The LP2988AIMX-3.0 voltage regulator is a three terminal low dropout (LDO) linear regulator that is available in a 8-pin MSOP package. It has a wide range of input voltage (2.9V to 5.5V) and an adjustable output voltage range (0.75V to 4.2V). The chip has a number of features that make it suitable for applications in both consumer and industrial devices. It features fast transient response, which allows it to regulate the output voltage quickly when the input voltage changes. It also features current limit protection, over-temperature protection and reverse current protection to keep the device running safely. It also has low power consumption and low dropout voltage, so it can be used in low voltage and low current applications. The LP2988AIMX-3.0 is capable of providing up to 300mA of continuous output current and can operate in temperatures ranging from -40°C to +125°C. It is a great device for both new applications as well as existing designs that need an upgrade.

Application Fields

The LP2988AIMX-3.0 voltage regulator can be used in a wide range of applications. It is well suited for portable electronic devices that require reliable supply voltage. It can also be used in industrial applications such as for powering motors or sensor networks. Other potential applications include providing power for microcontrollers and other digital logic circuits. In addition, the LP2988AIMX-3.0 can also be used in automotive applications, such as for providing the supply voltage for engine control units (ECU). It can also be used for powering additional components such as dashboards and infotainment systems. The device also has good RF performance and is suitable for use in radio applications, such as for powering filters and amplifiers. It can also be used in medical instrumentation and laboratory equipment.

Working Principle

The working principle of the LP2988AIMX-3.0 voltage regulator is based on the voltage drop across a PNP transistor. The input voltage is applied to the input pin and the output voltage is determined by the output resistor. The PNP transistor provides the voltage drop and regulates the output voltage. The voltage regulation is provided by a feedback network that monitors the output voltage and adjusts the transistor to keep it constant. The feedback also provides protection against over-voltage and over-temperature. The chip also features current limit protection to ensure that the output current does not exceed the specified limit. The device is also protected from reverse current, which can damage the device. The LP2988AIMX-3.0 is designed for high reliability and can withstand surges of up to 16V for short periods of time.

Conclusion

The LP2988AIMX-3.0 voltage regulator is a versatile device that can be used in a variety of applications. It has a wide range of input voltage, an adjustable output voltage, fast transient response, and excellent protection features. It is suitable for applications that require reliable supply voltage, such as in consumer and industrial devices as well as in automotive and radio applications. It is also suitable for powering microcontrollers and other digital logic circuits. The integrated current limit protection and over-temperature protection ensure that the device operates safely and reliably.

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