LP3971SQX-B410/NOPB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LP3971SQX-B410/NOPB is a component specialized in power management.

It is a highly integrated power management integrated circuit (PMIC). The LP3971SQX-B410/NOPB features an integrated single-output step-down controller, eight voltage regulators, and is specifically designed to power portable equipment that require multiple regulated outputs. Therefore, it’s application field can be widely spread from portable medical to consumer products.

The total integrated have include one single-output step-down controller and five low-dropout (LDO) regulators, two switched capacitor (SC) converters and one voltage follower (VF) regulator. The step-down converter uses a voltage mode control scheme that provides hysteretic mode current-mode control. It supports input voltages of 4.5 V to 46 V and produces outputs as low as 0.3 V with currents up to 2 A. The five LDOs support input voltages of 4.5 V to 12 V and provide up to 300 mA of continuous output current. They provide an output voltage range of 0.7 V to 5.0 V. The two SC converters are high-efficiency charge pumps and provide outputs of 1.5 V and 3.3 V. The VF regulator provides a high-impedance buffered output from a 2.5 V to 5.0 V input. It delivers up to 150 μA of output current. All regulator outputs are programmable using the part’s on-chip I2C-compatible serial interface.

With the above functions in one chip, the LP3971SQX-B410/NOPB provides a flexible and efficient solution for industrial and medical. It achieves greater system flexibility and higher efficiency than discrete power solutions. Besides, the protection features on the LP3971SQX-B410/NOPB helps to protect devices against overcurrent fault conditions.

In the LP3971SQX-B410/NOPB power management process, it starts with the input voltage. The input voltage is regulated through the built-in step-down controller. Then, the regulated input voltage is sent to the five low-dropout (LDO) regulators, two switched capacitor (SC) converters, and one voltage follower (VF) regulator. These regulators then output the exact voltage needed by the system. Finally, feedback connections allow the chip to detect the output voltage and adjust the voltage level for better precision.

In conclusion, the LP3971SQX-B410/NOPB provides professionals and manufacturers a great option of power management in industrial and medical products due to its one-chip power management design. It offers precision output voltage, high efficiency and integrated protection features which are quite important in the long run.

The specific data is subject to PDF, and the above content is for reference