LX8117B-28CDD

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The LX8117B-28CDD is a voltage regulator designed to provide a steady and stable output voltage in various applications, including computers, communications, consumer electronics, automotive electronics, and more. It is designed to accept an input supply voltage ranging from 4.5V to 28V and provides an output voltage between 0.5V and 15V. The output voltage is adjustable, allowing customers to customize the device to meet their application requirements.

The LX8117B-28CDD is a linear voltage regulator that uses a series of transistors and resistors to control the output voltage. The device has a two-terminal positive input and three-terminal output using a PMOS transistor, P-channel field effect transistor (PFET), and resistor network for voltage regulating control. A basic circuit diagram for the device is shown below:

The LX8117B-28CDD is designed to provide a regulated voltage to help stabilize the downstream power circuitry. The output voltage is adjusted by changing the gate voltage of the controlling PMOS device. The output voltage can be adjusted by the external resistor network; this network consists of RT and RF resistors. By changing these resistors, the output voltage can be adjusted.

The LX8117B-28CDD has a built-in short-circuit protection circuit as well as thermal protection circuitry. The short-circuit protection circuit reduces the output voltage when the output voltage reaches 80% of the specified voltage. The thermal protection circuitry reduces the output current when the set temperature exceeds a predetermined threshold.

The device is offered in an 8-pin SOIC package, which provides excellent thermal dissipation and space savings. The device operates over a temperature range from -40°C to +85°C and has a power dissipation of up to 750mW with a maximum output current of up to 2A.

The LX8117B-28CDD is suitable for a wide range of applications, such as computers, communications, consumer electronics, automotive electronics, and more. It can be used in power supplies, motor drivers, and other applications where a reliable and stable output voltage is required.

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