S-1155B23-U5T1G

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Linear voltage regulators are typically used in power supplies of electronic and electrical systems. The S-1155B23-U5T1G is an example of a linear regulator with a low quiescent current and standby batteries that are long-lasting and cost-effective. It is dedicated to high-efficiency power supply design, supplying voltage and current to applications and circuits that require regulated power. Additionally, it provides system monitoring as well as output current regulation. Here is an overview of the S-1155B23-U5T1G, including its application field and working principles.

Application Field

The S-1155B23-U5T1G is designed for use in systems that require power supplies with low quiescent current and high efficiency, such as portable and embedded applications. It is suitable for efficient power supply applications that require low quiescent currents and high-efficiency regulatory circuits. Additionally, its wide input voltage range makes it well-suited for a range of applications, from low-current mobile devices to high-current power systems.

Working Principle

The S-1155B23-U5T1G operates using two stages of regulation. In the first stage, it is configured to be a "Current Source" voltage regulator to provide precise regulation of the output voltage with minimal quiescent current consumption. The regulator monitors the output voltage to ensure precise regulation of the output voltage. In the second stage, the regulator is configured to operate as a "Trans-conductance" regulator to precisely regulate the output current. This ensures reliable operation in high-current applications.

The S-1155B23-U5T1G offers several features which provide additional operational flexibility. It includes a power-on reset (POR) function which allows the regulator to be safely powered up from its standby state, as well as a thermal shutdown (TSD) function which helps protect the device from excessive temperature. Additionally, it features a soft-start function which reduces input current during startup and lowers the voltage drop.

The S-1155B23-U5T1G is designed to provide a cost-effective and reliable power solution for applications that require low quiescent current and high efficiency. It offers low quiescent current consumption, making it ideal for low-power applications, as well as reliable operation over a wide temperature range and system monitoring functions.

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