LP2982AIM5X-3.0/NOPB

Current - Output:	50mA
Base Part Number:	LP2982
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	45dB (1kHz)
Current - Supply (Max):	1.4mA
Current - Quiescent (Iq):	95µA
Series:	--
Voltage Dropout (Max):	0.33V @ 80mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC: Linear Voltage Regulators

PMIC stands for Power Management Integrated Circuit, which is an integrated circuit designed to manage power in various electronic devices. Linear Voltage Regulators (LVRs) are one of the most important components of PMICs and are used to regulate the input voltage to ensure the stability and accuracy of the output voltage. Specifically, LP2982AIM5X-3.0/NOPB is a low-dropout voltage regulator from Texas Instruments, which is widely used in many applications.

LP2982AIM5X-3.0/NOPB Application Field

LP2982AIM5X-3.0/NOPB can be applied to a variety of power supply systems, including small, portable, batteryless devices such as mobile phones and hand-held GPS units. It can also be used in motor drives, LED lighting, bridges, sampling circuits, embedded systems, programmable logic controllers (PLC), medical equipment, and intelligent systems. This is because the LP2982AIM5X-3.0/NOPB is designed with a low-dropout voltage of 1.0 V and an adjustable output voltage range of 1.3 V to 5 V, making it suitable for a wide range of applications.

LP2982AIM5X-3.0/NOPB Working Principle

The LP2982AIM5X-3.0/NOPB works to regulate the input voltage and ensure the stability and accuracy of the output voltage. It contains an internal voltage reference and an error amplifier, which act together to control the output of the LVR. The internal voltage reference is set at a certain voltage, and the output is monitored by the error amplifier.When the voltage at the output falls below the start of regulation (SOR) point, the error amplifier will output a signal that increases the output of the regulator. Conversely, when the voltage at the output rises above the end of regulation (EOR) point, the error amplifier will output a signal that decreases the output of the regulator. This helps to regulate the voltage and keep it within the specified range.

Protection Features

In addition to maintaining the output voltage, the LP2982AIM5X-3.0/NOPB can also provide protection features that help to protect the circuit from any short circuit, overvoltage and overtemperature conditions. It has an integrated thermal-shutdown circuit that can detect when the die temperature of the LVR reaches a certain threshold and will automatically reduce the current to the output in order to prevent damage to the circuit. The LP2982AIM5X-3.0/NOPB also has an integrated short circuit protection feature that will detect a short circuit at the output and will automatically reduce the current. And lastly, it also has an overvoltage protection that will shutdown the output when the voltage at the output exceeds a certain limit.

Conclusion

The LP2982AIM5X-3.0/NOPB is a low-dropout voltage regulator that is widely used due to its low-dropout voltage, adjustable output voltage range and protection features. It is particularly popular in small, portable and batteryless devices, motor drives, LED lighting, bridges, sampling circuits, embedded systems, PLCs, medical equipment, and intelligent systems. It is designed with an internal voltage reference and an error amplifier that works together to regulate the output voltage and keep it within the specified range. Furthermore, it has integrated thermal, short circuit and overvoltage protection features to ensure the device is safely operated.

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