AD2700UD/883B

Series:	*
Part Status:	Active
Base Part Number:	AD2700

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PMIC - Voltage Reference: AD2700UD/883B Application Field and Working Principle PMIC (Power Management Integrated Circuit) has become increasingly important in modern times due to the increasing demand for power efficiency and cost-effectiveness in power designs. PMICs allow for the integration of multiple voltage regulators and other power-management circuits into a single package. A subset of PMICs are voltage references, which provide stable reference voltages, such as 0V and 5V, for use in various power designs.The AD2700UD/883B, developed by Asiansem, is a voltage reference integrated circuit that is specifically designed to provide a stable 5V supply, regardless of the varying input voltage, temperature, or loading conditions. It also features a series of monitoring and control features, providing over-current and over-temperature protection to prevent damage to the device and the system as a whole.The AD2700UD/883B can be used in various applications, such as motor controllers, fire detection and alarm systems, computer power supplies, and industrial control systems, to provide a reliable source of voltage reference and power management. It can also be used in automotive applications to provide a 5V supply at a reliable, stable level.The AD2700UD/883B is a low power, low voltage power management integrated circuit (PMIC) that provides a 0.6V to 5V output range. The device utilizes a bandgap voltage reference topology and has an operating voltage range of 4.5V-30V. The device offers several features such as over-temperature, over-current, and over-voltage protection to ensure device and system safety. The output is able to withstand a 160V maximum reverse voltage and can deliver up to 500mA of output current.In terms of working principle, the AD2700UD/883B uses a voltage reference topology to provide a stable 5V output with a minimal temperature drift. Its bandgap reference consists of two transistors with different temperature coefficients. When the transistors are connected in series, their temperature coefficients cancel out, resulting in a stable voltage reference.The AD2700UD/883B also features monitoring and control features to ensure device and system safety. It has a thermal shutdown feature that switches off the device when the temperature of the device exceeds a certain level. Additionally, it has an over-current protection circuit that enables the device to shut off when the output current exceeds its specified limit. Finally, it has an over-voltage protection circuit to ensure that the device does not exceed its output voltage range.Overall, the AD2700UD/883B is an ideal voltage reference for various power designs and can be used in a wide range of applications. It provides a stable 5V supply, despite varying input voltage, temperature, or loading conditions, and features several protective features to ensure device and system safety.

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