S-1135C11-U5T1U

Introduction

The S-1135C11-U5T1U is a linear voltage regulator. It is part of Texas Instruments\' linear voltage regulator portfolio, which is designed for use in a wide variety of advanced power system applications. The S-1135C11-U5T1U is designed for use in dc-to-dc power converters, power supply systems, mobile/portable electronic devices, automotive applications, and more.

Application Fields

The S-1135C11-U5T1U is a linear voltage regulator perfect for a host of applications. It is used in dc-to-dc converters and in voltage power supplies, such as those used in the automotive and mobile/portable devices. It is also suitable for use in microcontroller-based systems, as its linear design helps reduce the overall electrical noise and EMI in the system.

Working Principle

The S-1135C11-U5T1U is a linear voltage regulator, which means its output voltage is regulated through a proportional control principle. The output voltage is regulated against a reference voltage, thus setting the output voltage level. This reference voltage is usually set via a resistor network.The S-1135C11-U5T1U uses an adjustable frequency pulse-width modulation (PWM) controller in order to maintain the desired output voltage. When the output voltage increases or decreases, the PWM controller adjusts the duty cycle of the switching cycle (on/off) to maintain the desired output voltage.

Advantages

Linear voltage regulation technology offers several advantages over switching regulators, including increased efficiency at low load currents. The S-1135C11-U5T1U also offers a low dropout voltage, meaning the power supply voltage can be relatively low while still delivering regulated output.Other benefits of the S-1135C11-U5T1U include adjustable output current, low standby current, thermal protection, and better efficiency. The device also incorporates several protection functions, including overvoltage protection, overcurrent protection, and output voltage regulation protection.

Conclusion

The S-1135C11-U5T1U is a linear voltage regulator designed for a wide variety of applications, from dc-to-dc converters and power supplies systems to mobile/portable electronic devices and automotive applications. Its linear design helps reduce the overall electrical noise and EMI in the system. It also offers several advantages, such as adjustable output current, low standby current, thermal protection, and better efficiency. After reviewing the S-1135C11-U5T1U’s application field and working principle, it is evident that it is a reliable and efficient device.