LDLN025J285R

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The LD2925J285R voltage regulator is a linear voltage regulator, which belongs to the PMIC (Power Management Integrated Circuits) category. It is designed for applications that require a regulated DC output voltage, such as computers, electronic devices, and appliances.

The LD2925J285R is a 3-terminal voltage regulator, consisting of an adjustable voltage regulator and a power transistor, as well as other associated components. It is a monolithic integrated circuit and provides protection from over-voltage and reversed polarity connection. The positive voltage (VDD) is provided to the input, and the regulated output voltage (VOUT) is available at the output terminal. There is an enable pin that can be used to enable or disable the device.

The voltage regulator features an adjustable output range of 1.2V to 15V, with a total current output of 1 amp. It also features adjustable current limiting, temperature protection and overvoltage protection. The output voltage is adjustable using an external resistor divider network and it provides a fast transient response and good stability with low output noise.

The LD2925J285R works by controlling the output voltage of the device through the voltage divider network. The network consists of two resistors and the output voltage can be adjusted by varying the ratio of the two resistors. The input voltage and the output voltage are regulated by controlling the current flow through the power transistor. This transistor acts as a switch and a current regulator and is used to control the voltage and current output of the device.

When the voltage divider network is connected to the input voltage and the output voltage, it regulates the current flow through the power transistor and thus regulates the output voltage. The output voltage is then provided to the load and the current limit of the device is set through the resistor divider network. The device also features over-temperature and over-voltage protection, which is activated when the temperature or voltage exceeds the specified parameters.

The LD2925J285R is suitable for use in a variety of applications, including computing, consumer electronics, and electrical appliances. It is a low-cost voltage regulator and is an excellent choice for applications that require a regulated output voltage with a fast transient response and low output noise.

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