ADP1706ARDZ-1.1-R7

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Introduction

ADP1706ARDZ-1.1-R7 is an AC/DC voltage regulator designed by Analog Devices Inc. (ADI). It takes an input supply between 9V and 19V and provides a regulated output of 5V at up to 1.1A. The application field and working principle of this voltage regulator are as follows.

Application Field

The model ADP1706ARDZ-1.1-R7 is suitable for AC/DC linear power supply, LED Lighting, motor control, mobile and vehicular electronics, renewable energy and general purpose power applications. It is an ideal replacement for conventional or low efficiency power solutions with adjustable output current limiting and over-temperature protection. With a simple external control and feedback control, the system power efficiency can be improved.

Working Principle

The model ADP1706ARDZ-1.1-R7 uses the linear regulator principle to regulate the output voltage, regardless of the current flow. The device operates in three distinct modes, depending on the voltage present across the output terminals.In the first mode, the regulator operates at a constant output voltage, sinking current to maintain the regulator balance. The output voltage is set by the 1% tolerance resistor divider network, and can be adjusted by external control. In the second mode, when the output current exceeds the current limit set by the resistor divider, the regulator switches to current limit mode and the output current is limited to 1.1A. In the third mode, during an over-temperature condition, the over-temperature protection circuit shuts down the device. On recovery from the over-temperature condition, the device operates at the nominal output voltage.

Conclusion

ADP1706ARDZ-1.1-R7 is an AC/DC voltage regulator with adjustable output current limiting and over-temperature protection. It can be used in various power applications, such as LED Lighting, motor control, mobile and vehicular electronics, and renewable energy. The device operates in three different modes, depending on the voltage across the output terminals and current flow. By using this voltage regulator, the system power efficiency can be improved with external control and feedback control.

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