S-1137C20-U5T1G

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The S-1137C20-U5T1G, a BiCMOS-based Low Dropout (LDO) linear voltage regulator, is designed to transform and deliver nearly constant voltage and current supplies to a variety of applications. It is suitable for supplying constant voltage and current to a wide variety of loads, including portable electrical and electronic devices, such as notebooks, media players, and cellular phones. It also features a logic-controlled power-down feature, allowing it to be shut down or enabled with a low-voltage signal.

Features

The S-1137C20-U5T1G is equipped with several unique features that make it suitable for a variety of applications. It offers power supply monitoring and accuracy with high accuracy over a wide range of operating conditions. It supports low dropout voltage and fast transient response, which ensure a reliable and consistent power supply under various conditions. The S-1137C20-U5T1G also offers flexibility in output voltage selection, a low quiescent current of 30 µA, and external shutdown/enable control.

Benefits

The S-1137C20-U5T1G offers stable output voltage and current, minimizes power dissipation, and allows flexible application design. It reduces the need for multiple voltage regulators, which economizes on board space, power dissipation, and cost. Additionally, its shutdown/enable logic control provides flexibility and allows manageable, efficient power distribution. The S-1137C20-U5T1G also enables low power consumption and high power efficiency due to its low quiescent current and high accuracy.

Applications

The S-1137C20-U5T1G’s wide range of features and benefits make it suitable for various applications. It can be used to power notebook computers, media players, and portable electrical and electronic devices. It can also be used in applications that require low power consumption and accurate, stable voltage and current such as portable medical devices and microprocessor-controlled systems.

Working Principle

The S-1137C20-U5T1G operates by controlling the current flow from the input to the output. It does this by regulating the voltage across its two terminals. When the input voltage drops, the voltage across the regulator increases, allowing more current to flow. As the input voltage rises, the voltage across the regulator decreases, decreasing the current flow. This ensures a stable, constant output voltage, regardless of input voltage variations.

The S-1137C20-U5T1G can also be shut down or enabled with an external logic input, which allows greater control over the output voltage and current. When the logic input is high, the output is enabled and the regulator operates as normal. When the logic input is low, the output is disabled and the regulator draws no current, shutting down the circuit.

Conclusion

The S-1137C20-U5T1G is a reliable, BiCMOS-based Low Dropout (LDO) linear regulator that is suitable for a wide range of applications, such as notebook computers and other portable electrical and electronic devices. It offers power supply monitoring and accuracy, low dropout voltage, fast transient response, shutdown/enable logic control and low quiescent current. Its features and benefits make it an excellent choice for applications that require accurate, stable voltage and current.

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