LT3032IDE-15#PBF

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The LT3032IDE-15#PBF is a precision, low-noise, low-dropout linear regulator that operates on a 3V to 15V input voltage range and provides an output voltage of 5V with very low output noise of 15uV RMS. This regulator is best suited for applications such as powering sensitive analog circuits and digital logic devices.

The LT3032IDE-15#PBF is an excellent choice for new designs due to its very low dropout voltage, fast transient response, and other features such as output trim, over-temperature shutdown, short-circuit protection, and high power supply rejection ratio. It is ideal for use in portable electronics, audio signal processing, battery operated systems, and many other applications requiring very low output voltage noise performance.

Working Principle

The LT3032IDE-15#PBF consists of a precision voltage reference and a pass transistor operating in series regulator mode. A feedback circuit composed of an external resistor divider network is used to set the output voltage. The reference and pass transistor are protected from output short circuits by a current-limiting circuit.

The pass transistor operates in series regulator mode, sourcing or sinking current to the output to maintain the desired output voltage level. No load or line regulation is necessary due to the large input voltage range. The LT3032IDE-15#PBF draws only 60uA of quiescent current, making it ideal for use in battery-powered and other low-power applications.

Features

The LT3032IDE-15#PBF provides a wide range of features and benefits that make it suitable for a variety of applications. The features include:

• Low dropout voltage: 250mV at full load
• Wide input voltage range: 3V to 15V
• Very low output voltage noise: 15uV RMS
• Output voltage trim capability
• Over-temperature shutdown
• Current-limit protection
• High power supply rejection ratio

Applications

The LT3032IDE-15 #PBF is ideally suited for powering digital logic devices and other sensitive analog circuits. Its features make it well-suited for a variety of applications such as portable electronic devices, audio signal processing, battery operated systems, and more.

One popular application for this regulator is powering a digital microphone. The wide input voltage range, low output voltage noise, and other features make it a perfect fit for this application. The LT3032IDE-15#PBF can also be used for precision analog control circuits, small portable power supplies, and power management for Internet of Things applications.

Conclusion

The LT3032IDE-15#PBF is an excellent choice for new designs due to its very low dropout voltage, fast transient response, and other features such as output trim, over-temperature shutdown, short-circuit protection, and high power supply rejection ratio. Its wide input voltage range and very low output noise make it ideal for powering digital logic devices and other sensitive analog circuits.

In conclusion, the LT3032IDE-15 #PBF is an ideal linear voltage regulator for a variety of applications such as powering digital microphones, precision analog control circuits, small portable power supplies, and more. Its features make it an excellent choice for designs requiring low noise performance and low dropout voltage.

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