ADP3301ARZ-3.2

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PMIC – Voltage Regulators – Linear, The ADP3301ARZ-3.2, is a high accuracy, low dropout, linear voltage regulator which is ideal for powering sensitive microcontroller, logic and analog circuits. This voltage regulator utilizes a second order Band-Gap, which is able to maintain a very high accuracy to the output voltage over a wide temperature range.

The main application field of the ADP3301ARZ-2 is to provide a stable and regulated power supply to sensitive microcontroller/logic/analog circuits. This type of voltage regulator is ideal for low voltage applications, such as medical and portable electronics where maintaining a accurate voltage output is highly important. Additionally, the device can be used in active hold-up systems which support the power supply in order to maintain the system data integrity while keeping the system powered up and functioning properly.

The maximum output voltage provided by the ADP3301ARZ-2 is 3.2V, with an output current range of 1-500 mA and a voltage tolerance range between +/-0.3%. The device features a low quiescent current of 2µA and a low output voltage tolerance of +/-50mV. In addition, it supports short-circuit protection, thermal shutdown and overtemperature protection.

Its working principle is based on a voltage regulation loop, where the output voltage is regulated against a predetermined input voltage. The feedback loop consists of a comparator, an error amplification block, a voltage reference and a pass element, or an error amplifier. When the output voltage deviates from the reference voltage, the error amplifier output is amplified and then fed back to the pass element, which adjusts the output voltage to compensate for the change.

The ADP3301ARZ-3.2 is small, cost effective and easy to use, making it a great choice for any low voltage applications requiring a reliable linear voltage regulator. The device has an operating temperature range of -40°C to 125°C and is available in a variety of packages including SOT-23, MSOP and TDFN-10. With its simple working principle, excellent performance and reliable operation, the ADP3301ARZ-2 represents an excellent choice for all low voltage applications.

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