L4973D5.1-013TR

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L4973D5.1-013TR Application Field and Working Principle

The L4973D5.1-013TR is a high accuracy, low dropout linear voltage regulator from STMicroelectronics. It is designed for applications requiring low supply currents, high power supply rejection and fast line/load transient response. Suitable for use in applications such as battery powered systems and power supplies, the regulator is protected against overcurrent, reverse current and overheating. The device is also protected against short-circuit and inrush current.

The L4973D5.1-013TR is a critical component in electronic equipment because of its ability to maintain a constant output voltage. It is a critical component of the power supply, allowing it to control the voltage of the signal while efficiently regulating the current. It is also used in power management systems to keep the system voltage constant and is key in ensuring the longevity of circuits and components.The L4973D5.1-013TR is a DC-DC step down converter switch regulator with a 1A maximum output current. Its working principle is the same as for other step down switching regulators, but includes an integrated LDO (Low Dropout) voltage regulator which helps to reduce dropout voltage, resulting in more efficient energy conversion. The features that make the L4973D5.1-013TR suitable as a switching regulator include:- Wide input voltage range from 4.5V to 20V- fixed output voltage of 5.1V- High accuracy output voltage (up to ±0.04%)- High power supply rejection (up to 87dB)- fast line/load transient response- Low dropout voltage (1.2V max @ 660mA)- Overcurrent, over temperature, short-circuit, and inrush current protection- High efficiency (up to 97%).The L4973D5.1-013TR is an ideal solution for applications that require high efficiency and accuracy, including telecommunications, automotive, industrial, and consumer electronics.

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