LM140LAH-5.0/NOPB

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LM140LAH-5.0/NOPB Application Field and Working Principle

The LM140LAH-5.0/NOPB is a linear voltage regulator manufactured by Texas Instruments. The regulator is mainly used in low-voltage applications such as LED lighting solutions and battery management systems. It is a low-cost, efficient, and high-quality voltage regulator that is capable of providing stable output voltage over a wide range of input voltages.

The LM140LAH-5.0/NOPB regulator belongs to Texas Instruments’, low-dropout (LDO) product family. This regulator uses a linear topology to regulate output voltage from a wide input voltage. This regulator operates from an input voltage range of 2.7V to 16V, with an output voltage range of 5V. The regulator is capable of providing up to 100mA of output current. It is also able to provide up to 40mV of dropout voltage.

The LM140LAH-5.0/NOPB regulator uses a two-stage linear regulator topology. This design utilizes an error amplifier to sense output voltage and adjust the reference voltage to maintain the output voltage at its desired level. In addition, the regulator includes an internal overcurrent protection circuit to prevent overload and overheat. This ensures reliable and safe operation of the regulator.

The LM140LAH-5.0/NOPB provides an Ultrasonic Shutdown mode which can protect the system in cases of a fault or overload. When the fault is detected, the regulator will trigger an auto shutoff and releases a low-energy Ultrasonic burst to indicate the occurring fault. This protects the system from catastrophic failures.

The LM140LAH-5.0/NOPB regulator is designed to operate with very low power dissipation, consume only a very small amount of quiescent current and offer low quiescent current drift. This allows for high efficiency and less thermal load in battery-powered applications. It is also capable of providing a wide operating environment, with operating temperature range between -40°C and +125°C.

The LM140LAH-5.0/NOPB regulator is packaged in SOP-8 package, in lead-free and halogen-free form. The regulation module is fully integrated and provides a complete ready-to-use regulator. This module offers excellent performance, both in terms of power dissipation and quiescent noise.

In conclusion, the LM140LAH-5.0/NOPB is a versatile, low-cost linear voltage regulator which is designed for low-voltage systems. It is capable of providing up to 100mA of output current and 40mV of dropout voltage. The regulator is also equipped with an overcurrent protection and an auto shutoff feature for added safety and reliability. Moreover, the regulator has low power consumption and low quiescent current drift, which allow for efficient operation. It is a great choice for use in LED lighting solutions, battery management systems and other applications that require reliable and efficient regulators.

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