ADP1706ACPZ-1.1-R7

The ADP1706ACPZ-1.1-R7 is an ultra-low quiescent current linear voltage regulator ideal for use in portable and handheld devices. This high performance regulator is capable of delivering up to 200mA of output current with a typical quiescent current of just 60uA. It is designed to offer a wide input voltage range from 1.8V to 5.5V and offers adjustable output voltage down to 1V. This regulator also features low noise output and very high transient response, enabling it to handle demanding applications.

This linear regulator is ideal for applications such as battery operated equipment and portables, as well as for any devices that require an ultra-low quiescent current linear regulator. The ADP1706ACPZ-1.1-R7 is also suitable for automotive and industrial applications, where high efficiency and low noise are critical.

Working Principle

To understand the working principle of the ADP1706ACPZ-1.1-R7, it is important to understand how linear voltage regulators work. Linear voltage regulators feed the output voltage to the load in direct proportion to the input voltage. This means that if the input voltage is 5V, then the output voltage will also be 5V.

Linear voltage regulators convert their input voltage to the desired output voltage using an internal power stage, usually a series of resistors, controlled through feedback circuitry. This feedback circuit monitors the output voltage and adjusts the internal power stage to keep the output voltage stable. The ADP1706ACPZ-1.1-R7 is no exception to this principle.

The power stage of the ADP1706ACPZ-1.1-R7 consists of three n-channel MOSFETs and a control MOSFET transistor. The control MOSFET is used to adjust the output voltage depending on the feedback voltage. If the output voltage is too low, the control MOSFET increases the input voltage to the power stage to correct the output voltage. If the output voltage is too high, the control MOSFET lowers the input voltage to the power stage to correct the output voltage. This process is repeated to ensure the output voltage is constant and does not change due to changes in the load or input voltage.

Conclusion

The ADP1706ACPZ-1.1-R7 is an ideal linear voltage regulator for portable and handheld devices. Its high performance and ultra-low quiescent current make it suitable for a variety of low power applications, including automotive and industrial applications. The circuit\'s internal power stage and control MOSFET ensure that the output voltage is maintained at the desired level, regardless of the load or the input voltage.