LT3009EDC-3.3#TRMPBF

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PMIC - Voltage Regulators - Linear

The LT3009EDC-3.3#TRMPBF is an advanced low dropout linear voltage regulator, featuring EMI/ESD protection and high accuracy. It can be used to provide a regulated output voltage from an input voltage as low as 2.2V to 16V and provides very reliable power for a variety of applications including medical, industrial and automotive. Furthermore, the LT3009EDC-3.3#TRMPBF features a very low quiescent current of 1.3�A and a low shutdown current of only 1�A.

Working Principle

The LT3009EDC-3.3#TRMPBF works on the principle of linear voltage regulation. It uses an error amplifier with a voltage reference to provide a regulated output voltage. The error amplifier constantly compares the feedback pin voltage with a reference voltage. When the feedback pin voltage falls below the reference voltage, a P-channel FET is turned on to bring the voltage back up. When the feedback pin voltage is above the reference, an N-channel FET is turned on to bring the voltage back down. In this way, the output voltage is kept constant.

Features

• Input voltage range: 2.2V to 16V
• Output voltage: 3.3V (fixed)
• Line regulation: 0.2%
• Load regulation: 0.3%
• Minimum output current: 3mA
• Output current capacity: 600mA
• Quiescent current: 1.3�A @ 3V, VOUT = 3.3V
• Shutdown current: 1�A
• EMI/ESD protection
• High accuracy

Applications

The LT3009EDC-3.3#TRMPBF can be used in a wide range of applications, including medical, industrial and automotive. Some of the industries it is used in include:

• Medical device power supplies
• Test and measurement equipment
• Industrial control systems
• Consumer electronics
• Power tools
• Automotive systems

Conclusion

The LT3009EDC-3.3#TRMPBF is a highly efficient, low dropout linear voltage regulator designed for applications requiring reliable power over a wide input and output range. It features EMI/ESD protection and high accuracy, making it suitable for medical, industrial, and automotive applications. With its low quiescent current, low shutdown current, and fast transient response, the LT3009EDC-3.3#TRMPBF offers high reliability for a range of applications.

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