UA78L10ACLPRE3

PMIC - Voltage Regulators - Linear: UA78L10ACLPRE3

The UA78L10ACLPRE3 voltage regulator is a precision low drop-out linear regulator that is designed to supply up to 1A of current with an input-output differential of 1.5V. This 3-pin regulator can be used in both low-power and high-power applications, making it an ideal choice for a wide range of electronic circuits.

The UA78L10ACLPRE3 linear voltage regulator features a PPAK 3-pin layout. This package is suitable for most surface mount, soldering and mixed technology manufacturing processes. The regulator has an operating temperature range of -40°C to 85°C, making it suitable for most temperature conditions.

The device has an output current rating of 1A, which allows it to supply up to 1.5V of output voltage at full load with an input-output differential of 1.5V. The maximum drop-out voltage at full load is 3V, and the minimum drop-out voltage at full load is 1.5V. The low-drop-out performance of the UA78L10ACLPRE3 makes it ideal for applications that require a high current with a low voltage drop.

The UA78L10ACLPRE3 is protected against thermal overload and current limiting, making it a safe and reliable choice for sensitive electronic circuits. The device features high ripple rejection and low output noise, enabling it to provide clean and stable power to electronic circuits. The adjustable output voltage range of the device is 2.5V to 10V, allowing it to be used in a wide variety of applications. The device also has excellent line and load regulation, offering a high degree of accuracy in voltage regulation.

Applications

The UA78L10ACLPRE3 linear voltage regulator is designed for use in a variety of systems, including personal computers, mobile phones, tablets, and automotive electronics. It is suitable for applications that require a low-dropout performance and stable power. Its wide operating temperature range and low noise output make it an ideal choice for robust and reliable applications in harsh environments.

Working Principle

The UA78L10ACLPRE3 linear voltage regulator operates by using a voltage reference and an operational amplifier to monitor and control the output voltage. The voltage reference is used to provide a precise output voltage by comparing the feedback voltage with the voltage reference. The operational amplifier monitors the input and output voltage and adjusts the output voltage to keep it constant. The output current is regulated by an internal current limiter, which limits the output current to a safe level and prevents damage to the regulator and other connected components.

The device also features thermal protection, which shuts down the device in case of excessive heat. This ensures that it will not be damaged by overheating and will protect other connected components from damage as well. The device will automatically restart when the temperature returns to normal. This feature ensures maximum reliability and robustness in demanding applications.