ADP121CB-1.8-EVALZ

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Evaluation Boards – Linear Voltage Regulators

Linear voltage regulators are electronic components that take an unregulated input voltage and output a regulated output voltage. This is called regulation. These devices are usually used to convert unregulated AC mains to DC voltage levels that are suitable for powering electronic circuits. This type of device is commonly found in wall adapters and power supplies, but they may be used in other projects needing a regulated voltage.

ADP121CB-1.8-EVALZ

The ADP121CB-1.8-EVALZ is a linear voltage regulator evaluation board designed by Analog Devices. It is a low noise, low dropout linear voltage regulator with integrated protection features. The board is designed to accept an input voltage between 6 and 20 volts, and output 1. 8 volts with up to 9 volts of headroom. The regulator features an adjustable current limit of up to 170mA and can be configured for a wide range of applications. It also features several protection features that protect the device from damage due to overvoltage or overcurrent.

Application Fields

The ADP121CB-1.8-EVALZ evaluation board is suitable for a wide range of applications. The board can be used to power digital and analog circuits, as well as low voltage microcontrollers, memory and logic chips. It can be used to regulated input voltages from battery, AC/DC, or even USB. The board is also capable of powering optical networking systems, including EPON, GPON, 10G, and other high-speed networks.

Working Principle

The ADP121CB-1.8-EVALZ evaluation board is based on a low dropout voltage regulator. This type of regulator takes an unregulated input voltage and regulates it to a desired output voltage. The input voltage is compared to a reference voltage--in this case, 1.8V--and the difference in voltage is amplified by an internal operational amplifier. This amplified signal then drives an internal power MOSFET that turns on and off in order to regulate the output voltage.

The evaluation board includes a number of features and protection circuits, designed to protect the board and the connected circuits in the event of overvoltage or overcurrent. It features short circuit, overvoltage, overtemperature, and overcurrent protection circuits, as well as a power saving mode that is designed to reduce quiescent current when the input voltage drops, or when there is no load on the output.

The ADP121CB-1.8-EVALZ evaluation board is an excellent choice for projects that require a reliable and efficient linear voltage regulator. Its integrated protection circuits ensure that the connected circuits stay safe and its adjustable current limit allows for a wide range of applications. The 1.8V output provides plenty of headroom for powering logic circuitry and makes the board suitable for a wide range of projects.

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