S-1135C19-M5T1U

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S-1135C19-M5T1U Application Field and Working Principle

The S-1135C19-M5T1U is a three-terminal linear voltage regulator from e-Kamut Corporation, a leading developer and distributer of low power semiconductor components. The S-1135C19-M5T1U regulator is used to maintain a steady voltage level at its output, independent of input voltage and load current, making it suitable for applications such as DC/DC converters, motor drives, and car electrical systems. Additionally, the regulator integrates a thermal protection circuit and is capable of operating over an extended temperature range.

Device Overview

The S-1135C19-M5T1U is a linear voltage regulator with a maximum output voltage of 19V. The device has an integrated protection circuit that prevents it from overheating and ensures stable operation. The output is adjustable and can be set between the 1.25V and 19V range by an external resistor divider. The device also has an enable pin for power save control and shutdown modes.

The device has a low quiescent current of only 3.1mA, making it suitable for applications with low power consumption. The output current of the device is up to 1A, making it suitable for a range of applications. The device is available with a variety of different packages, allowing for flexibility in PCB design.

Working Principle

The S-1135C19-M5T1U is a linear voltage regulator that relies on an internal transistor as the active element. The transistor acts as an electronic switch for controlling the output voltage. The output voltage is regulated by varying the transistor’s drain voltage, which is set by the divider connected to the output and ground, allowing the output to be adjustable within a range of 1.25V to 19V.

The device has an enable pin that is used to turn the device off and on, allowing for reduced power consumption in some applications. The device also has an embedded thermal protection circuit that protects it from overheating, as well as an UVLO (Under Voltage Lock Out) feature that prevents unstable operation when the input voltage falls below a certain level.

Applications

The S-1135C19-M5T1U can be used in a variety of applications, including:

• DC/DC Converters
• Motor Drives
• Car Electrical Systems
• Battery Charger Circuitry
• Charging System for Lithium Batteries
• Industrial System

Advantages

The S-1135C19-M5T1U provides several advantages, including:

• Low quiescent current for reduced power consumption
• Extended operating temperature range (-40°C to 85°C)
• Adjustable output voltage range of 1.25V to 19V
• Integrated protection circuit to prevent overheating and UVLO
• A variety of packages for increased flexibility in PCB design

Conclusion

The S-1135C19-M5T1U is a three-terminal linear voltage regulator from e-Kamut Corporation. It integrates a thermal protection circuit and is capable of operating over an extended temperature range. The device has a low quiescent current and can provide a steady output voltage over a range of 1.25V to 19V. It offers several advantages, including extended operating temperature range, adjustable output voltage, and integrated protection circuit. Additionally, it is available in a variety of packages, offering flexibility in PCB design.

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