LP2980AIM5X-3.8/NOPB

Current - Output:	50mA
Base Part Number:	LP2980
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:	63dB (1kHz)
Current - Supply (Max):	1.2mA
Current - Quiescent (Iq):	95µA
Series:	--
Voltage Dropout (Max):	0.22V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.8V
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Part Status:	Obsolete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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LP2980AIM5X-3.8/NOPB Application Field and Working PrincipleThe LP2980AIM5X-3.8/NOPB is a low-power, ultra-low-noise, low-voltage linear regulator. It is a member of the LP2980 family of low-dropout (LDO) voltage regulators, produced by Texas Instruments. The LP2980AIM5X-3.8/NOPB is available as a three-terminal fixed output or adjustable output, with a range of outputs from 0.8V up to 6V.This voltage regulator is ideal for powering a wide variety of applications, especially those that require a small, low-power, low-noise, and low-voltage output. It can be used in portable electronics such as mobile phones, PDAs, digital still cameras, and game consoles, as well as in low-power embedded systems such as microcontrollers, sensors, and LED drivers.

Working Principle

The LP2980AIM5X-3.8/NOPB works by sensing the voltage at its input terminal and regulating the output voltage to a fixed level (selected via the output voltage setting resistors.) Its low power and low thermal resistance enable it to regulate a wide range of input voltages while dissipating a minimum of power in the form of heat.The regulator is designed to operate in p-channel and n-channel MOSFET based buck and boost converters, as well as low-dropout (LDO) linear regulator applications. Its low dropout voltage and wide output current range make it ideal for battery powered applications.The regulator features an accurate reference-based voltage sensing circuit and an error amplifier. An external resistor network connected to the feedback pin sets the output voltage. The error amplifier senses the difference between the output voltage and the reference voltage and outputs a control voltage, which drives a P-channel MOSFET for current regulation.

Features

The LP2980AIM5X-3.8/NOPB is a low- voltage linear regulator that boasts excellent power and thermal performance. It has a wide input voltage range from 2.7V to 42V, allowing it to be used in a variety of applications. It offers a maximum output current of 300mA, as well as a programmable output voltage to 0.8V, with a minimum output voltage of 1.2V. It also features a low-quiescent current of 1μA and a low dropout voltage of less than or equal to 0.3V, making it a great choice for low-power applications. Other features include its shutdown mode, reverse current protection, thermal protection, and LED indicator.

Conclusion

The LP2980AIM5X-3.8/NOPB from Texas Instruments is a low-voltage, low-power, ultra-low-noise linear regulator. It is ideal for powering applications such as mobile phones, PDAs, digital still cameras, and game consoles, as well as in low-power embedded systems such as microcontrollers, sensors, and LED drivers. It features an accurate reference-based voltage sensing circuit, as well as reverse current protection, thermal protection, and LED indicator. With a wide input voltage range, programmable output voltage, maximum output current of 300mA, and low dropout voltage of less than or equal to 0.3V, this linear regulator is an excellent choice for low-power applications.

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