LP2989IMMX-3.0

Current - Output:	500mA
Base Part Number:	LP2989
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm 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):	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Part Status:	Obsolete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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LP2989IMMX-3.0 Application Field and Working Principle

Linear Voltage Regulators (LVRs) are widely used in a variety of applications including automotive, communications, computers, and medical applications. The LP2989IMMX-3.0 is a Low Dropout (LDO) linear voltage regulator from Texas Instruments which can regulate an input voltage of up to 36V and output voltage between 1V and 15V. Here, we will discuss the application fields and working principle of the LP2989IMMX-3.0.

Application Fields

The LP2989IMMX-3.0 is used in a variety of applications which require a low voltage, high efficiency, and fast response. In automotive applications, it is used to power automotive components, such as sensors and actuators. It is also used in communications, computers, and medical applications. It can provide a clean, smooth voltage output with low noise and minimal ripple.

Working Principle

The LP2989IMMX-3.0 is a low dropout (LDO) linear voltage regulator. It is designed to regulate an input voltage of up to 36V and output a voltage between 1V and 15V. The device works by using an internal voltage reference, which sets the reference voltage for the output voltage. When the input voltage is greater than the reference voltage, the device will start to regulate the output voltage by means of a linear voltage regulator circuit. This circuit is composed of a series of transistors and resistors. The output voltage is regulated by comparing the input voltage and reference voltage and adjusting the amount of current flowing through the transistors. The output voltage is then controlled by adjusting the amount of current passing through the resistors. The LP2989IMMX-3.0 also offers an enable pin which can be used to turn the device on and off. When the enable pin is pulled low, the device is disabled and when the enable pin is pulled high, the device is enabled. This feature allows the device to be turned off during power-saving mode.

Conclusion

The LP2989IMMX-3.0 is a low dropout linear voltage regulator which can be used for a variety of applications including automotive, communications, computers, and medical applications. The device can regulate an input voltage of up to 36V and output a voltage between 1V and 15V. The device works by using an internal voltage reference, which sets the reference voltage for the output voltage. The device also includes an enable pin which can be used to turn the device on and off when not in use.

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