LP2986IMMX-3.0

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LP2986IMMX-3.0 is a low quiescent current, low-dropout linear voltage regulator. It is designed specifically for use in high efficiency applications such as computing, portable electronics and communication systems. It can provide up to 3.0A of stable output voltage, even when input supply voltages drop down as low as 2.2V. This makes it an attractive solution for applications where size and low power leakage are critical.

Application Fields

LP2986IMMX-3.0 is designed to be used in applications such as computing, portable electronics, and communication systems. It is well suited for applications where a small size and low quiescent current is required due to its low dropout voltage and small footprint. It can be used in battery-powered devices such as portable MP3 players, cellular phones, digital cameras, and PDAs, as well as in automotive applications such as power windows, radio, and climate control systems. In addition, it can be used in non-battery operated devices such as notebook and desktop computers, industrial control systems, and embedded applications.

Features

The LP2986IMMX-3.0 has some features that can make it attractive in many different types of applications. It has a 2.5mA maximum quiescent current at full load and a low dropout voltage of 500mV at 3.0A. It is biased off a 3.3V input, which can be varied between 2.2V and 5.5V. It also has a wide adjustable output range of 1.2V to 4.35V, enabling it to be used in many different applications. It also has good thermal performance with a minimum thermal resistance of 3.2°C/W. Lastly, it has an on-chip voltage-regulator protection, which can help prevent the device from overloading.

Working Principle

The working principle of the LP2986IMMX-3.0 voltage regulator is based on the fact that a higher input voltage results in a regulated output voltage as well. It works by forcing a reference (such as ground) to one side of a transistor, and using the control voltage from the IC to the other. This causes the transistor to act as a current sink, reducing the voltage at the output. The output voltage is then regulated by the control voltage, which is adjusted so the output voltage stays constant. The amount of current that is being drawn from the source is determined by the amount of resistance in the circuit. If the load resistor is too high, the output voltage will remain constant but the current demand will increase, potentially exceeding the device\'s rated current output.

Conclusion

The LP2986IMMX-3.0 is a low quiescent current, low-dropout linear voltage regulator. It is designed to be used in applications such as computing, portable electronics, communication systems, automotive, and industrial control systems. It can provide up to 3.0A of output current and its output voltage can be adjusted from 1.2V to 4.35V. It has a low quiescent current of 2.5mA and a low dropout voltage of 500mV at 3.0A. Its working principle is based on the fact that a higher input voltage results in a regulated output voltage as well. With its small size, low power leakage and adjustable output voltage, it offers an attractive solution for many applications.

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