ZMR330F-7

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The ZMR330F-7 is a highly versatile linear voltage regulator of the PMIC (Power Management Integrated circuit family). This IC is designed using a low power PMOS process, making it suitable for long battery life applications. It allows up to seven different regulated output voltages from a single load, with a maximum output current of 400mA.

The ZMR330F-7 is a low-noise voltage regulator, ideally suited for amplifying audio signals and other signals with low clamor content. It has low temperature coefficient and can provide output voltages down to 0.8V. It features constant output voltage and low quiescent current operation, making it one of the most efficient ICs available.

The main application fields of the ZMR330F-7 include circuit conditioning and noise suppression. Typical applications include the power conditioning of voltage sensitive loads such as 8-bit A/Ds (Analog to Digital Converters), audio amplifiers, and low power supply lines. It can also be used where a set of isolated low-voltage supplies are needed, like LCD panels and embedded microprocessors.

The working principle of the ZMR330F-7 is a simple analog feedback loop. It maintains a constant output voltage by comparing it to a reference voltage and then providing current to the output based on the difference between the two. This voltage regulation process is done in parallel, allowing the device to provide multiple outputs from a single load. The output voltage can be adjusted by adjusting the reference voltage and the load current, thus providing the user with a different output voltage for each load.

In addition to providing low-voltage output with high accuracy, the ZMR330F-7 also provides current limiting and short circuit protection, making it suitable for harsh environments. It can also be used to provide remote sensing, allowing the user to accurately monitor the output voltage and make adjustments as needed.

The ZMR330F-7 is an ideal solution for applications requiring low power consumption, robust performance, and high accuracy. With its low temperature coefficient and low noise operation, it is suitable for many different applications in which precision voltage regulation is required.

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