ADP151ACBZ-3.3-R7

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Linear voltage regulators are widely used in a variety of applications. They can provide regulated power supply, enable overclocking and improve power efficiency. The ADP151ACBZ-3.3-R7 is an adjustable, low-dropout linear regulator, specially designed for applications requiring an exceptionally low quiescent current. This article provides an overview of the features, applications and working principle of this voltage regulator.

Features

The main features of the ADP151ACBZ-3.3-R7 include:

• Low output current (100mA)
• Input voltage range from +2.5V to +5.5V
• Fixed or adjustable output voltage
• Low quiescent current (typically 0µA)
• High accuracy output voltage
• thermal shutdown protection

Applications

The ADP151ACBZ-3.3-R7 is ideal for use in a variety of applications, such as battery-powered systems and computer peripherals. It can also be used in any application requiring an adjustable, low-dropout voltage regulator.

Working Principle

The ADP151ACBZ-3.3-R7 is a low-dropout voltage regulator which can maintain a constant output voltage with only a small difference between the input voltage and output voltage. The regulator has an internal reference voltage, which is compared to the output voltage. If the output voltage exceeds the reference voltage, an onboard error amplifier will reduce the output voltage. If the output voltage is below the reference, the error amplifier will increase the output voltage. The output voltage is maintained at the reference voltage by controlling the amount of current flowing through the power transistor.

The ADP151ACBZ-3.3-R7 is also configured as an adjustable regulator, allowing users to adjust the output voltage by changing the reference voltage. The reference voltage is adjustable by connecting a resistor divider to the Adjust pin.

Finally, the ADP151ACBZ-3.3-R7 is designed to minimize power consumption. It has a low quiescent current of typically 0µA, which helps reduce power consumption and extend battery life. It also has thermal shutdown protection to prevent damage from overtemperature.

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