LP2952AIMX

Current - Output:	250mA
Base Part Number:	LP2952
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	33mA
Current - Quiescent (Iq):	170µA
Series:	--
Voltage Dropout (Max):	0.8V @ 250mA
Voltage - Output (Max):	29V
Voltage - Output (Min/Fixed):	1.23V (5V)
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LP2952AIMX Overview

The LP2952AIMX from Texas Instruments is a low dropout (LDO) linear voltage regulator. It has the capability of providing a regulated output voltage of anything from 1.4V to 15V with very low ground current. This makes it a desirable choice for designing power supplies for various types of applications. The LP2952AIMX operates in a wide range of temperature and output current regulations. It is highly efficient, enabling it to provide a steady, consistent output voltage across the entire temperature and current range. The LP2952AIMX also includes a programmable under-voltage lockout, which helps minimize the amount of current draw when the voltage dips.

LP2952AIMX Application Fields

The LP2952AIMX is an excellent choice for power supply design applications, as it provides well-regulated output voltages in a wide range of operating conditions. Its small footprint and high efficiency make it well-suited for applications such as computer systems, telecommunications, automotive and industrial, and consumer electronics.The LP2952AIMX offers benefits such as low ground current consumption and reduced power dissipation, making it versatile for many applications that require a reliable and efficient source of power. Additionally, its wide input voltage range and low dropout voltage makes it an ideal choice for automotive and industrial applications, where it may encounter wide voltage fluctuations.

LP2952AIMX Working Principle

The LP2952AIMX works by taking an input voltage from the battery or power supply and regulating it to achieve the desired output voltage. The LP2952AIMX features an output voltage range of 1.4V to 15V, and its low dropout voltage also contributes to its efficiency. The LP2952AIMX utilizes a current-referencing topology to provide excellent output regulation with minimal power dissipation. The device regulates the output voltage by sensing the difference between the output voltage and the internal reference voltage, and using an error amplifier to drive the output voltage high or low to keep them equal. The under-voltage lockout feature of the LP2952AIMX helps minimize current draw when the input voltage dips below a predetermined threshold. Additionally, the device features an adjustable output voltage range and an adjustable output current limit, allowing for a wide flexibility in power-supply design.

Conclusion

The LP2952AIMX is an excellent choice for power supply design applications. It offers a wide input voltage range, low dropout voltage and low ground current consumption, making it ideal for automotive and industrial, as well as consumer electronics applications. The device utilizes a current-referencing topology to provide excellent output regulation with minimal power dissipation, and its under-voltage lockout and adjustable output voltage range and current limit round out its list of features.

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