91931-21115LF

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The 91931-21115LF is a rectilinear array edge-type mezzanine PC board connection module. It is primarily used for board-to-board connections, including applications such as motherboards and daughterboards. The 91931-21115LF is a step-down voltage regulator that provides a wide range of regulated output voltages from an unregulated input voltage. The 91931-21115LF is designed to provide a constant voltage output even if there is significant variation in the incoming input voltage.

The 91931-21115LF has a wide variety of uses, and is suitable for a variety of applications. It is primarily used for motherboards and daughterboards in space constrained environments, such as laptop PCs and other portable electronic devices. It can also be used in automotive applications for controlling the voltage of headlights and other vehicle accessories. The 91931-21115LF is also useful for powering mobile communication base stations, alarms, and other equipment with high power demands.

The 91931-21115LF is a two-stage switching regulator that consists of a DC/DC converter and an associated power MOSFET. In the first stage, the DC/DC converter produces a regulated voltage. In the second stage, the power MOSFET switches the voltage at a specified frequency to reduce electromagnetic interference (EMI). The 91931-21115LF has an onboard current limit function which monitors current draw and shuts off the device when it exceeds a certain threshold. This helps to protect against short circuits and other small component issues.

The 91931-21115LF is easy to install and is constructed with durable materials to ensure a long service life. It features a low profile design that minimizes stress on the PC board connections that are supported. The 91931-21115LF is RoHS compliant and meets the requirements of the IEC 60950-1 and UL 60950-1 safety standards.

To ensure reliable operation, the 91931-21115LF has several built-in protection features, including over-power, over-temperature, and current limit protection. These features help to protect the device from damage caused by excessive heat or excessive current draw. The 91931-21115LF is designed to operate over a wide range of temperatures, ranging from -40°C to +85°C.

In conclusion, the 91931-21115LF is a rectilinear array edge-type mezzanine PC board connection module that provides adjustable voltage regulation. It is suitable for a variety of applications, including automotive, communications, and portable electronics. It features EMI reduction and several built-in protection features. The 91931-21115LF is easy to install and is designed for a long service life.

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