ADP1707ARDZ-3.3-R7

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The ADP1707ARDZ-3.3-R7 is a three-terminal adjustable shunt regulator from the Linear Voltage Regulators category of the PMIC (Power Management IC) family. It is an adjustable voltage regulator designed for high current applications. It can be used for systems that require tight regulation of output voltage, and provides excellent line regulation and load regulation.

This device has an input voltage range from 0.5V to 10V. Output voltage is adjustable from 1.25V to 3.3V. It has an operating temperature range of -40°C to 125°C. It uses a MOSFET pass element to achieve a low dropout voltage, and features an accuracy of 2% over-temperature (1.2 V to 3.0 V). It has a low quiescent current of 12μA and can provide an output current up to 5A.

Application Field

The ADP1707ARDZ-3.3-R7 is an ideal choice for systems that require tight voltage regulation. It can be used in a range of applications including automotive, industrial, and consumer electronics. It has a high-performance system-level transient responses, and it can be used in applications such as high ambient temperature power supply line regulation, battery charger, and load regulation.

It is especially well-suited to automotive applications, because it is RoHS compliant, has an adjustable output voltage, an extended operating temperature range, and is capable of providing up to 5 A of current. It can also be used in consumer electronics applications, such as DVD players, DVRs, gaming systems, and portable audio players.

It is also suitable for use in off-line regulated switch-mode power supplies, where it can provide excellent line and load regulation. Additionally, it can be used in systems that require a standby voltage regulator, due to its high efficiency, low dropout voltage, low quiescent current, and low heat emission.

Working Principle

The ADP1707ARDZ-3.3-R7 is a shunt regulator that uses a MOSFET pass element. The device works by sensing the output voltage, and then pulling the MOSFET gate control pin to adjust the current passing through the MOSFET pass element. This current then adjusts the output voltage to the desired level according to the applied feedback voltage.

The device works by sensing the output voltage at the device output terminal and adjusting the MOSFET pass element using a built-in error amp. The error amp works by comparing the output voltage to the reference voltage. If the output voltage is too high, the error amp will pull the gate of the MOSFET circuit lower, reducing the current passing through the pass element. If the output voltage is too low, the error amp will pull the gate of the MOSFET circuit higher, increasing the current passing through the pass element.

The ADP1707ARDZ-3.3-R7 also features an adjustable current limit. This limits the maximum output current to the specified level when the output voltage is above the specified voltage level. This prevents the device from entering into a thermal runaway condition and any associated damage.

Conclusion

The ADP1707ARDZ-3.3-R7 is a three-terminal adjustable shunt regulator from the Linear Voltage Regulators category of the PMIC (Power Management IC) family. It is an adjustable voltage regulator designed for high current applications, and can be used in a range of applications including automotive, industrial, and consumer electronics. It works by sensing the output voltage, and then pulling the MOSFET gate control pin to adjust the current passing through the MOSFET pass element.

The device has an input voltage range from 0.5V to 10V and an operating temperature range of -40°C to 125°C. It has a low quiescent current of 12μA and can provide an output current up to 5A. It is RoHS compliant, has an adjustable output voltage, an extended operating temperature range, and is capable of providing up to 5 A of current. It has a high-performance system-level transient response, and can be used for systems that require tight voltage regulation.

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