LT3014BEDD#TRPBF

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Introduction

LT3014BEDD#TRPBF is a linear voltage regulator produced by Linear Technology. It is specifically designed for portable applications and features an exceptionally low quiescent current of 75µA, high PSRR, low dropout voltage and accuracy over line, load and temperature variations. This voltage regulator is one of the top choices for high current battery-powered applications.

Application Field

The LT3014BEDD#TRPBF is designed for a wide range of applications, including industrial controllers and motor controls, telecommunications, networking and other power related equipment. It is ideal for battery-powered and portable applications, including laptop computers, power banks, automotive electronics and battery management systems. Its low quiescent current and high PSRR also makes it suitable for all types of precision analog circuits, such as amplifiers and DACs.

Features and Specifications

• 2.2V to 28V Input Voltage Range
• Programmable Output Voltage Range: 0.8V to 28V
• 75µA Quiescent Current at No Load
• High PSRR: 82dB at 1kHz
• Rejection Ratio: 80dB at 10kHz
• Low Dropout Voltage: 0.4V at 1A
• High Accuracy: ±2% Max Over Line, Load and Temperature Variations

Working Principle

The LT3014BEDD#TRPBF works by absorbing electrical power and converting it into a regulated output voltage. This is achieved through a combination of a voltage reference, error amplifier, error amplifier compensation and a pass element. The voltage reference is set to a predetermined voltage, typically 1.05V or 2.5V, and this voltage is compared to the voltage at the output of the regulator. If the voltage at the output is lower than the reference voltage, the error amplifier acts to increase the output voltage by driving the pass element. Conversely, if the output voltage is higher than the reference voltage, the error amplifier pushes the pass element in a direction that will decrease the output voltage.

Conclusion

The LT3014BEDD#TRPBF is an excellent choice for portable applications, due to its low quiescent current and high PSRR. Its wide input voltage range and high accuracy make it suitable for a wide range of applications, including industrial controllers and power-related equipment.

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