ADP1764ACPZ-0.9-R7

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Introduction

The ADP1764ACPZ-0.9-R7 is a linear voltage regulator designed to provide a stable voltage supply to circuits that require up to 900mA. It is part of a large range of voltage regulators from Analog Devices Inc. that can be tailored to the specific needs of the application. This part is typically used for applications where precision in settings and multiple voltage outputs are required.

Application Field

The ADP1764ACPZ-0.9-R7 is suitable for a wide range of applications including but not limited to, powered medical devices, battery powered systems, telecommunications and other highly integrated systems. It is designed to regulate voltage from its input to the desired output. It can provide up to 900 mA with an adjustable voltage range from 0.900 V up to as high as 5.5 V. The regulated voltage is also highly accurate, with a ± 2.5% regulation over its temperature range.

The ADP1764ACPZ-0.9-R7 is specially designed for a number of power management needs. For example, it can be used to provide a number of regulated outputs, including standby power and core power. It also provides very low power standby solution and offers low dropout performance.

Working Principle

The ADP1764ACPZ-0.9-R7 voltage regulator is a linear DC-DC step down regulator. The device operates by creating a voltage drop across an internal series of power transistors, which in turn produces the required regulated output voltage. The input voltage is used to drive the current through the series of power transistors, in order to produce the desired output. The current from the input voltage is limited by the device\'s current sensing technology, which prevents excessive current from flowing through the transistors, resulting in the overcurrent protection.

The voltage regulation is achieved through the current sensing feedback network. The output voltage is monitored by a voltage sense amplifier. The voltage sense amplifier compares the output voltage to a reference voltage, and adjusting the current being drawn from the power transistors based on the comparison. This allows the device to accurately maintain the output voltage to the desired value, while rejecting line and load variations.

The ADP1764ACPZ-0.9-R7 has an excellent governor and soft start capability that provides excellent power supply sequencing, sequencing of multiple voltage rails, and battery backed-up systems. It also includes thermal protection, output overvoltage and current limiting protection. This makes the device ideal for a wide range of applications, such as powering medical, telecom and industrial electronics, as well as embedded systems.

Conclusion

The ADP1764ACPZ-0.9-R7 is a highly integrated linear voltage regulator designed to provide a stable voltage output over a wide range of input voltages. It offers a high level of accuracy, low power consumption and excellent power supply sequencing. It is suitable for a variety of applications, such as powering medical, telecom, industrial electronics, and embedded systems. With its wide input voltage range, adjustable output voltage and other features, this device is a great choice for a variety of applications.

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