ADM7155ARDZ-02-R7

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The ADM7155ARDZ-02-R7 is a linear voltage regulator, specifically a linear regulator that is a “low dropout” (LDO). As a low dropout (LDO) design, the ADM7155ARDZ-02-R7 provides a stable voltage output and maximum output current of 1.5A while operating at a low-voltage differential between input and output. The linear voltage regulator operates from an input voltage of 2.7 V to 5.5 V.

The ADM7155ARDZ-02-R7 can be used in a variety of applications, such as mobile devices, set-top boxes, and computers. The low dropout (LDO) design is ideal for applications that require a low voltage differential between input and output and stable voltage output. Additionally, the ADM7155ARDZ-02-R7 is available in a tiny SOT-23-5 package, enabling it to be used in space-limited applications.

The ADM7155ARDZ-02-R7 utilizes a linear voltage regulation approach, where the output voltage is directly proportional to the input voltage. This approach is advantageous in that it is simple, inexpensive, and has excellent load regulation. Additionally, the linear regulator approach provides better electrical noise performance and improved efficiency when compared to a switch-mode regulator.

The ADM7155ARDZ-02-R7 incorporates an enable pin that allows the device to be shut off to reduce power consumption when not in use. The device also has protection features such as over-current protection, overtemperature protection, and overvoltage protection. All of these features contribute to the robustness and reliability of the device.

The ADM7155ARDZ-02-R7 is designed with a low quiescent current, making it ideally suited for portable applications. The on-board 1.5 A P-channel MOSFET also contributes to the low quiescent current operation of the device. Furthermore, the device is reverse-voltage protected and has a low output voltage noise of 40 μVrms.

In summary, the ADM7155ARDZ-02-R7 is an ideal solution for any application requiring a linear voltage regulator with low dropout (LDO) design. It provides a stable and reliable output voltage, and its high efficiency, small form factor, and low quiescent current make it perfect for mobile and portable applications. Its protection features and low output voltage noise make it even more reliable in the long run.

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