LP3984IMF-3.1/NOPB

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LP3984IMF-3.1/NOPB is a linear voltage regulator IC of PMIC (Power Management ICs) originating from Texas Instruments. This voltage regulator solution supports a wide range of VIN, VOUT, and current requirements; it can operate from 2V to 24V, with an output voltage from 0.9V to 22V with excellent current regulation performance. The IC can deliver an output current at 300mA which makes it an ideal solution for both high-current and low-current applications.

The LP3984IMF-3.1/NOPB is available both in a DFSN (Dual Flip-Chip Send-out) version, and in an dual flat-no-lead (DFN) version. The DFSN version is available with a wide range of different packages, such as: 3x3 DFN, 4x4 DFN, 6x2 DFN, SMTTO-12, SMTTO-8, and SOT-23.

The IC features excellent protection features that prevent winding damage due to thermal runaway, over-current, short-circuit and over-temperature, providing a worry-free environment for system shutdown or other safety control measures when the conditions are not correct. External components are minimized, reducing board size and material cost. Moreover, the LP3984IMF-3.1/NOPB is 100% free of harmful lead.

Finally, the LP3984IMF-3.1/NOPB can operate over a wide temperature range from -40°C to 125°C. This makes it ideal for harsh environment applications and provides flexible thermal operating conditions.

LP3984IMF-3.1/NOPB application field

The LP3984IMF-3.1/NOPB is a general-purpose linear voltage regulator IC of PMIC (Power Management ICs) which can be applied to a wide range of application fields such as consumer electronics, industrial applications and automotive applications. It can also be used as an adjustable regulator in a wide range of devices. The following is a brief overview of the applications in which the LP3984IMF-3.1/NOPB can be used:

• Personal computers and small appliances, audio & video equipment, etc.
• Industrial controls, measurement instruments, unmanned systems, etc.
• Automotive electronics, lights and other illumination systems, etc.
• Communication systems, home appliances, medical device, etc.
• Battery powered systems, portable and wireless products, etc.

LP3984IMF-3.1/NOPB working principle

The LP3984IMF-3.1/NOPB operates by sensing the voltage at a feedback pin and compares it to an internal regulated voltage. If the voltage is lower than the regulated voltage, the IC increases the output current, and if the voltage is higher than the regulated voltage, the IC decreases the output current, essentially controlling the output voltage. This process is known as voltage regulation. The LP3984IMF-3.1/NOPB is a linear voltage regulator which means it operates in continuous conduction mode, regulating the output voltage without switching, allowing for much lower output ripple and noise.

The LP3984IMF-3.1/NOPB also has a precise reference voltage and extremely low output voltage drift over temperature and time. This precise voltage reference accuracy allows the IC to offer excellent current regulation performance, accurately controlling the output current over a wide input voltage and output voltage range.

Finally, the LP3984IMF-3.1/NOPB has a variety of features to protect the system from various faults to ensure safe and reliable operation, such as over-temperature protection, short circuit protection and transients protection. These features protect the system from various faults to ensure safe and reliable operation.

Conclusion

LP3984IMF-3.1/NOPB is a linear voltage regulator IC of PMIC (Power Management ICs) from Texas Instruments. It is an ideal linear regulator solution for both high-current and low-current applications, with a minimum external component count, wide range operation, excellent protection functions and an wide temperature range. Its excellent voltage reference tolerance makes it an effective tool for precise current control. It can be used for a wide range of applications, including personal computers and small appliances, industrial controls, automotive electronics, and communication systems.

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