LP3881ES-1.2/NOPB

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LP3881ES-1.2/NOPB is a type of linear voltage regulator which is designed specially for post-regulation in switched mode power supplies (SMPS). It is a Micro Power SOT-23 package, which makes it an ideal choice for point-of-load applications. This component is capable of regulating input voltages from +2.5V to +5.5V down to output voltages of 1.2V and provides a maximum output current of 1A at the output.

The main application field of LP3881ES-1.2/NOPB is to provide a precise voltage in power-supply systems. It enables power systems with greater voltage accuracy and faster transient response, which are both critical for ensuring reliable operation. In addition, the component can also be used for applications requiring low-voltage operation, such as digital logic ICs or microcontrollers, to ensure their proper operation.

The working principle of LP3881ES-1.2/NOPB is based on the concept of voltage-based current-mode control. This control system constantly monitors the input voltage and the output voltage to ensure precise voltage regulation. The component is designed with a bandgap reference to keep the output voltage stable against line and load variations. In addition, it has a fast transient-response loop, which keeps the output voltage steady during voltage changes.

The LP3881ES-1.2/NOPB also includes other features like an internal low-drop linear regulator, an integrated N-channel MOSFET, an internal compensation network, an over-voltage protection and an external shutdown control. These features make the component a highly efficient and reliable solution for power-supply systems. Furthermore, the component is also RoHS compliant, which makes it environmentally friendly.

In conclusion, LP3881ES-1.2/NOPB is a reliable and efficient voltage regulator for post-regulation in switched mode power supplies. It provides a precise voltage regulation and fast transient response, making it suitable for applications that require accurate voltage regulation. Moreover, the component is RoHS compliant, which makes it a great choice for environmentally conscious users.

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