MPQ20073DH-LF-Z

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Introduction to PMIC - Voltage Regulators - Linear

PMIC (Power Management Integrated Circuit) is an important tool in power management engineering, as it helps in providing voltage and current to systems with high efficiency and stability. PMICs are digital devices that utilize various power electronics technologies to provide the required voltage and current to various devices in different industrial applications.The Voltage Regulators are an important part of the PMIC family, as they provide an ideal combination of both flexibility and ease of use. As the name suggests, the primary function of Voltage Regulators is to maintain the output voltage at a constant value, regardless of the input voltage, current or operating temperature. Voltage Regulators can be broadly categorized as either Linear Voltage Regulators or Switching Regulators.The Linear Voltage Regulators are the simplest and least expensive of the two types of regulators. These regulators provide excellent stability and ease of use, with their output voltage being held constant even under varying input voltages. As their outputs are not switched, the linear regulators provide excellent efficiency. The Linear Voltage Regulators are typically used in applications where the output voltage is not expected to change too frequently.

MPQ20073DH-LF-Z Application Field and Working Principle

MPQ20073DH-LF-Z is a linear voltage regulator IC developed by Monolithic Power Systems. This regulator is capable of providing output currents of up to 1.5A and can be used for both positive and negative output voltage regulation, ranging from -20 V to 8 V. This device is ideal for applications such as computer power supplies and telecommunications power supplies, as it offers high efficiency and low noise operation.The MPQ20073DH-LF-Z IC utilizes an advanced linear voltage regulator topology to achieve its excellent performance. The device uses a three-terminal architecture, consisting of an input, output and feedback pin, to control the output voltage. The feedback pin connects to the output, and the voltage on this pin is compared to the reference voltage, which is set by the user. If the output voltage is lower than the reference voltage, the device will increase the gate bias, in turn increasing the output voltage. Conversely, if the output voltage is higher than the reference voltage, the gate bias is decreased, decreasing the output current and hence the output voltage. The MPQ20073DH-LF-Z IC also contains two enable pins which can be used to enable and disable the device, allowing the user to easily control and customize the power-up and power-down sequence of the device. The device also includes only two external components, allowing for a very simple and low cost solution. The MPQ20073DH-LF-Z offers good output accuracy, current limit protection, and fast transient response, providing a reliable and efficient solution for linear voltage regulation.

Conclusion

The MPQ20073DH-LF-Z is an excellent choice of linear regulator for applications where highly efficient and stable output voltages are required. The device offers excellent performance, with an output accuracy of 1%, current limit protection and fast transient response. It is also a cost-effective solution, as it requires only two external components, making it easy to deploy and use. Overall, the MPQ20073DH-LF-Z is a reliable and efficient linear voltage regulator for a variety of industrial applications.

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