L79L12ACD

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Linear voltage regulators (LVRs) are commonly used power management integrated circuits (PMICs) used to regulate and monitor voltage levels in an electrical circuit. The L79L12ACD is one of the most popular linear voltage regulators available on the market today. This PMIC has been designed to provide low dropout linear voltage regulation with high precision and low power dissipation, making it ideal for applications where conserving power is a priority. In this article, we’ll explore the L79L12ACD application field and working principle in more detail.

The L79L12ACD is a versatile linear voltage regulator that can be used in a wide range of applications. It is well-suited for modern electronic systems that require minimal power consumption. This regulator can provide low dropout voltage regulation for discrete components or integrated circuits up to 1.5V. It is a typical three-terminal regulator, meaning it can be easily integrated into existing circuits without the need for additional components or complicated set up. This PMIC also features a wide range of features and protections, including current limitation, thermal shutdown, and overvoltage protection.

As for the L79L12ACD working principle, it is based on a two-stage regulator topology, with two voltage regulating transistors in series working together to provide a constant voltage. The input supply is converted to a regulated output voltage by the first transistor, while the second transistor acts as a current source to maintain the output voltage. The two transistors are connected such that if the output voltage falls below the required value, the first transistor will draw more current, increasing the output voltage until it reaches the required value.

The L79L12ACD has an output voltage accuracy better than ±1%. It is also capable of handling up to 250mV operating voltage, which is a huge advantage over other linear voltage regulators on the market. Additionally, it provides an adjustable output voltage range that can be set from zero to the maximum setpoint. The device also features a low-noise and low-ripple operation, making it ideal for applications requiring precise and low-noise voltage regulation.

The L79L12ACD is able to provide excellent power efficiency, making it an ideal choice for applications where power consumption is a priority. It is also designed with a low quiescent current consumption, ensuring that the device does not draw excessive power in idle states. Furthermore, it is designed with a low-noise thermal shutdown feature that helps to protect the device from overheating and ensure safe operation in extreme conditions.

All in all, the L79L12ACD is a versatile and reliable PMIC that can be used in a wide range of applications. Thanks to its low dropout voltage regulation and excellent power efficiency, it is capable of delivering high precision and low power consumption, making it a great choice for modern electronic systems. Additionally, its adjustable output voltage range and wide range of protections make it a great choice for applications that require precise regulation and protection.

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