ACT8310NHADJ-T

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PMIC is short for Power Management Integrated Circuits. Its main function is to adjust and control the power supply circuit, thereby providing a stable voltage output and power current according to the requirements of different circuits. In addition, PMIC also provides suitable power protection, monitoring and power conversion functions. Voltage regulators are one of the key components in PMIC. They provide the corresponding reference voltage output and adjust the output voltage according to the load requirement. DC DC switching regulators are widely used in modern portable electronics application fields. The ACT8310NHADJ-T is an integrated PMIC product developed by ON Semiconductor Corporation. This product is widely used in applications such as tablets and netbooks.

The ACT8310NHADJ-T integrated voltage regulator consists of 8 constant voltage (CV) regulators, 5 adjustable voltage regulators, 1 tracking regulator and 1 power connector. It can provide 12 independent power output voltages with ultra low quiescent current. The quiescent current of the device can be maintained at 0.7mA under no load, and the output voltage ripple is less than 10mV. In addition, its output current capability can reach 500mA. These features make ACT8310NHADJ-T become an ideal power management integrated circuit for portable devices.

The ACT8310NHADJ-T is mainly used in the main board of tablets, netbooks and other portable electronic devices. Its function is to convert the +12V voltage input by the main board into +3.3V, +2.5V, +1.8V, +1.2V, +1.0V, +0.8V and other Voltage to power different main board circuits. In the entire power management circuit, the main work of the ACT8310NHADJ-T is to provide a relatively stable voltage output under various operating conditions. For example, when a netbook is turned on, the voltage on the mainboard tends to drop, but the ACT8310NHADJ-T can automatically adjust the output voltage to maintain the output voltage in the appropriate range. When the circuit\'s load demand changes, it can also automatically adjust its output to meet the needs of different circuit outputs.

The working principle of the ACT8310NHADJ-T is based on the pulse width modulation control and output tracking technology. When the +12V voltage input is carried out, the internal operating frequency of the ACT8310NHADJ-T will be adjusted with the variation of the input voltage and load. Then, the circuit uses Pulse Width Modulation (PWM) to generate a pulse of equal duty cycle, and the inductance and the output capacitor will filter the pulse to achieve the output voltage requirements of the circuit. At the same time, the circuit uses the internal tracking technology to ensure that all output voltage channels are at an equal value.

In summary, ACT8310NHADJ-T is widely used in the application field of portable electronic devices. Its main function is to adjust the output voltage according to the load requirement and to provide a relatively stable voltage supply. It adopts the internal operating frequency adjustment, pulse width modulation and output tracking technologies to ensure the accuracy of voltage output and the stability of power supply.

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