S-11L10B24-M5T1U

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Introduction

The S-11L10B24-M5T1U is a linear voltage regulator from Texas Instruments (TI). It is a PMIC (Power Management Integrated Circuits) Voltage Regulator – Linear. It is ideal for applications with power-management requirements in automotive, industrial, computing, communications and other applications. It offers reliable and efficient performance to control voltage with low power consumption, low noise and low component count.

Application Field

The S-11L10B24-M5T1U is suitable for automotive, industrial, computing, communications and other applications with power requirements.

• Automotive: The regulator can be used for electronic control units (ECU) for engine control, body control and safety systems that can operate at temperatures from -40 °C to +85 °C.
• Industrial: The regulator can be used for industrial control systems, such as Programmable Logic Controllers (PLC), Human Machine Interfaces (HMI), electromechanical devices, high power circuits and machines.
• Computing: The regulator can be used for powering servers, workstations as well as power supplies for devices like notebooks, desktops, mobile devices and other computing applications.
• Communications: The regulator can be used for powering wireless access points, cellular base stations, wireless bridges and other communication systems.

Features

The S-11L10B24-M5T1U offers many features that make it suitable for the above-mentioned applications.

• Wide input operating voltage: The regulator operates from 4.5V up to 32V.
• Output current up to 2.5A: The device is capable of providing up to 2.5A output current.
• Low dropout voltage: The regulator has a low dropout voltage of 0.4V typical at 25°C.
• Low noise: The device has a low noise operation with 0.2uVrms typical noise at light load and 0.4uVrms at full load.
• Thermal shutdown: The device has an integrated thermal shutdown feature that protects the device from thermal overloads.
• On-chip reset: The regulator has a built-in reset signal that ensures proper resetting of the system after power-up.

Working Principle

The S-11L10B24-M5T1U is a linear voltage regulator. It works by controlling the voltage across a load using an internal feedback loop which compares the output voltage to a reference voltage. When the output voltage deviates from the reference voltage, the regulator adjusts the output current to maintain the desired output voltage. It does this by adjusting the linear current through a field-effect transistor (FET) pass transistor connected in series between the input and the output.

The device has an input bypass capacitor to maintain the input voltage level within a certain range and reduce the output voltage ripple. It also has an output voltage sensing pin that provides feedback to the internal feedback loop, allowing the regulator to sense the output voltage and adjust the output current accordingly. The device also has short circuit protection to prevent damage to the device if excessive current is drawn from the output.

Conclusion

The S-11L10B24-M5T1U is a PMIC Voltage Regulator – Linear from Texas Instruments (TI). It is suitable for applications in automotive, industrial, computing and communication systems. It offers reliable and efficient performance with ultra-low power consumption, low noise and low component count. It works by controlling the voltage across a load using an internal feedback loop, a series FET pass transistor and an input bypass capacitor. It also features short circuit protection, reset on power-up and thermal shutdown for safety and reliability.

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