LT3070IUFD#TRPBF

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Introduction

The LT3070IUFD#TRPBF is a low noise, adjustable output, low dropout negative linear regulator. This device offers an excellent percentage of dropout voltage and ground current bias which is ideal for high performance and cost effective power management applications. It uses a P-channel FET for pass element, and has built-in current limiting and thermal protection. The device also has the ability to regulate voltage for applications requiring up to 2.5V output voltage.

Application Field

The LT3070IUFD#TRPBF is suitable for a wide variety of power management applications, from cellular and portable handheld devices, to LED lighting and gaming systems. The device can also be used in other applications requiring a negative linear regulator, such as automotive, industrial, and medical applications. The device is also suitable for powering 1.8V digital logic and core power supplies.

Working Principle

The LT3070IUFD#TRPBF operates by sensing the output voltage, and controlling the gate of a P-channel MOSFET pass element to maintain the output at a desired level. The device has an adjustable output voltage range, which is set by connecting a resistor divider network across the ADJ and GND pins. The output voltage of the device can be adjusted by varying the ratio of the upper resistor to the lower resistor. The device also has a built-in current limit feature, which allows it to provide a constant current to the load.

Conclusion

The LT3070IUFD#TRPBF is a low noise, adjustable output, low dropout negative linear regulator. It can be used for a wide variety of power management applications, from cellular and portable handheld devices, to LED lighting and gaming systems. The device has an adjustable output voltage range, which is set by connecting a resistor divider network across the ADJ and GND pins. The device also has a built-in current limit feature, which allows it to provide a constant current to the load.

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