LT3042EMSE#TRPBF

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The LT3042EMSE#TRPBF is a Low Dropout (LDO) linear regulator from Linear Technology (LT). The IC features positive and negative voltage outputs with a maximum voltage difference of 3V. It is ideal for battery-powered systems, where extremely low quiescent current is required for extended battery life. The IC is built on a MSOP-8 package and provides a wide range of load current and output voltage stability. This regulator is suitable for automotive, consumer, industrial, medical and mobile device applications.

Features and Benefits

• Low Dropout (LDO) linear regulators.
• Positive and negative voltage output.
• Maximum voltage difference 3V.
• Extremely low quiescent current.
• Efficiency up to 95%.
• MSOP-8 package.
• Wide range of load current and output voltage stability.
• High transient response.
• Low output noise.
• Automotive, consumer, industrial, medical and mobile device applications.

Application Field and Working Principle

The LT3042EMSE#TRPBF is a low input voltage, low dropout, positive and negative bipolar linear regulator with a very low quiescent current and wide output voltage range. It is suitable for use in battery-powered systems and can provide excellent line and load regulation with low noise, even at heavy loads. The device has an input voltage range of -7V to +16V and the output voltage is adjustable from -3V to +3V with a maximum load current of 1.5A. The device has a high transient response and a low output noise of 17 μVrms.

The LT3042EMSE#TRPBF works on the principle of voltage regulation. The device consists of an epitaxial NPN transistor, an N-channel MOSFET, and a number of other components. The voltage regulation is achieved by the NPN transistor acting as a voltage reference. The emitter of the NPN transistor adjusts the output voltage as the input voltage and output current change. The N-channel MOSFET amplifies the differences between the input voltage and the regulated output voltage, with the difference between the two determining the amount of current that is passed to the output. The benefit of this device is that it can provide extremely accurate voltage regulation, with high accuracy of ±0.2% under typical conditions.

The LT3042EMSE#TRPBF can provide excellent line and load regulation with low noise, even at heavy loads. This can be beneficial in a wide range of applications, from automotive, to consumer, industrial, medical and mobile device applications. The device also has a wide input voltage range, making it suitable for use in a wide range of environments. In addition, the device has advanced features such as a unique active voltage positioning system to ensure that the output voltage is optimally placed for improved accuracy and stability over the entire operating temperature range.

Conclusion

The LT3042EMSE#TRPBF is a low input voltage, low dropout, positive and negative bipolar linear regulator with a very low quiescent current and wide output voltage range. It is suitable for use in battery-powered systems and can provide excellent line and load regulation with low noise, even at heavy loads. The device has a wide input voltage range and advanced features such as a unique active voltage positioning system to ensure that the output voltage is optimally placed for improved accuracy and stability. This makes it ideal for automotive, consumer, industrial, medical and mobile device applications.

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