S-1137C19-U5T1G

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The S-1137C19-U5T1G is an innovative linear voltage regulator designed to meet the demands of next-generation electronic applications. The S-1137C19-U5T1G is categorized as a PMIC (power management integrated circuit), voltage regulator, and linear. It features a low quiescent current, low noise output, and adjustable output voltage, making it an ideal choice for a wide range of applications. Whether in cell phones, MP3 players, DVD players, or other consumer electronics, the S-1137C19-U5T1G provides an occasional overload protection and low-dropout performance.

Application Field

The S-1137C19-U5T1G is suitable for a range of devices and applications such as portable media devices, individual-cell Li-ion battery chargers, digital still cameras, hand-held PDAs, laptops, industrial equipment, and other consumer electronics. It features a high power efficiency (greater than 80%) with low quiescent current and adjustable output voltage range, making it a ideal choice for these products.

The S-1137C19-U5T1G can be used in battery charger applications to provide an adjustable high current source in order to charge single Li-polymer and Li-Ion batteries. It can also be used for battery-powered applications that require a low quiescent current and adjustable voltage, such as cell phones, PDAs, or handheld games. Lastly, in industrial equipment, it can be used for current or voltage monitoring as it offers a wide input voltage range and high load current capabilities.

Working Principle

The S-1137C19-U5T1G is an adjustable linear voltage regulator, integrated with MOSFETs and built-in protection and control circuits. It is designed to provide protection against over currents and over voltages, allowing only voltage and current levels within predetermined limits. The component features a low quiescent current, low noise output, and adjustable output voltage with 0.6V adjustment range, making it an ideal choice for a wide variety of electronic applications.

The S-1137C19-U5T1G consists of two main components: the power MOSFET, and the voltage reference, both of which are combined to form a power MOSFET linear regulator. The MOSFET acts as the current regulator, which is controlled by an external voltage reference. The voltage reference sets the output voltage of the device and the MOSFET ensures that the output voltage remains within the given range. The device also includes an internal current sensing circuit, which monitors the output current of the system and shuts off the device when an overcurrent or overvoltage situation is encountered.

In addition to an overcurrent protection, the S-1137C19-U5T1G also includes an overvoltage protection circuit which shuts off the device when an overvoltage situation is detected. This feature provides additional protection by eliminating the possibility of overvoltage damage to the device or any other sensitive components.

The S-1137C19-U5T1G is a highly efficient voltage regulator, capable of providing a clean, low noise power supply. Its adjustable output voltage range and low quiescent current make it an ideal choice for a wide range of electronic applications.

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