LP38690SDX-2.5

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LP38690SDX-2.5 Application Field and Working Principle

LP38690SDX-2.5 is a type of voltage regulator, specifically falling under the category of linear regulators within the power management integrated circuit (PMIC) family. It is a high-efficiency, ultra-low quiescent current regulator specifically designed for high power applications such as power supply systems, battery charging and automotive platforms. It also supports a wide input voltage range and is capable of providing multiple outputs including a low-noise output.

LP38690SDX-2.5 features a series of features and benefits that make it suitable for the aforementioned application fields. Firstly, the device has a very low quiescent current, up to 0.3mA, which ensures its high efficiency. Additionally, the device has a wide input voltage range of 2V to 14V and can provide multiple outputs with low-noise operation. It also supports 6-pin SOT-23 packaging which allows for excellent board placement and thermal performance.

The LP38690SDX-2.5 is designed with a number of safety features such as an over-voltage protection, an under-voltage protection and a thermal shutdown. It also features an adjustable output voltage up to 12.6V, a voltage input sensing, a fast transient response and a low ripple noise. All these features make the device a suitable option for power supply systems, battery charging and automotive platforms.

In terms of operation, the LP38690SDX-2.5 is a feedback-controlled regulator with a voltage reference loop which regulates the output voltage. The device works by using an internal voltage reference to compare the voltage of the regulated output against the internal reference voltage. The device also features an internal error amplifier which compares the output voltage against the reference voltage and produces the Error Signal (Error Sig.). This Error Sig is then used to drive the internal MOSFET, resulting in a regulated output voltage.

Additionally, the LP38690SDX-2.5 has an excellent load regulation capability and is capable of operating at very high frequencies. It is also designed with an internal reference Voltage of 2.5V, making it suitable for applications where a regulated output voltage is required. Furthermore, the device also supports a wide temperature range of -40°C to +125°C, which makes it suitable for a variety of applications.

Overall, the LP38690SDX-2.5 is an excellent choice for brick, board and point of load applications. It offers an efficient, low quiescent current, multiple output operation and features an excellent safety features. All these features make it an ideal choice for power supply systems, battery charging and automotive platforms.

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