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Ⅰ.Overview of product

The LP2992AIM5X-5.0/NOPB is a linear low-dropout (LDO) regulator developed by Texas Instruments, belonging to the power management integrated circuit (PMIC) category. It features fixed 5V output, 250mA output current, and excellent performance in low power consumption and stability, making it suitable for various battery-powered and industrial electronic devices.

 
Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Mfr:Texas Instruments

Packaging:Tape & Reel

Part Status:Active

Output Configuration:Positive

Output Type:Fixed

Voltage - Input (Max):16V

Voltage - Output (Min/Fixed):5V

Voltage Dropout (Max):0.85V @ 250mA

Current - Output:250mA

Current - Quiescent (Iq):95 µA

PSRR:45dB (1kHz)

Control Features:Enable

Protection Features:Over Current, Over Temperature, Short Circuit

Operating Temperature:-40°C ~ 125°C

Mounting Type:Surface Mount

Package / Case:SC-74A, SOT-753

Ⅲ.Main characteristics

Low Dropout Voltage:The maximum dropout voltage is only 0.85V at 250mA output current, ensuring stable output voltage even when the input voltage is close to the output voltage, which is crucial for improving the utilization rate of battery power.

Low Quiescent Current:With a quiescent current of 95 µA, it effectively reduces power consumption during device operation, especially suitable for battery-powered applications that require long standby time.

Excellent PSRR Performance:The power supply rejection ratio (PSRR) reaches 45dB at 1kHz, which can effectively suppress input voltage ripples and provide a stable and clean output voltage for sensitive electronic components.

Comprehensive Protection:Equipped with over-current, over-temperature and short-circuit protection functions, it can quickly respond to abnormal working conditions, protect the regulator itself and the connected load from damage, and improve the reliability of the entire electronic system.

Enable Control Function:The built-in enable pin allows the device to be turned on or off through external control, which is convenient for system power management and further reduces standby power consumption when not in use.

Compact Packaging:Adopting SC-74A and SOT-753 surface mount packages, it has the advantages of small size and light weight, which helps to reduce the volume of the circuit board and is suitable for miniaturized electronic products.

Ⅳ.Application field

Cellular Phones:Used to provide stable 5V power supply for internal modules such as signal processing circuits and display screens, ensuring the normal operation of communication functions and reducing power consumption to extend battery life.

Portable Computers:Applied in palmtop and laptop computers to supply power for low-power peripheral components such as sensors and interface circuits, improving the stability and battery life of the equipment.

Personal Digital Assistants (PDAs):As a core power management component, it provides stable voltage for the processor and memory of PDAs, ensuring smooth operation of data processing and storage functions.

Portable Audio-Visual Devices:Used in camcorders, personal stereos and digital cameras to supply power for image sensors, audio decoding chips and display modules, ensuring clear image and sound output and stable device performance.

Smart Battery Packs:Embedded in smart battery packs to regulate the output voltage, ensuring stable power supply to the connected devices and protecting the battery from over-current and over-temperature damage.

Ⅴ.Summary

The LP2992AIM5X-5.0/NOPB LDO regulator integrates the advantages of low dropout voltage, low power consumption, comprehensive protection and compact packaging. With its stable performance and wide adaptability, it has become an ideal power management solution for various portable electronic devices and industrial control applications, effectively improving the reliability and energy efficiency of electronic systems.