S-1132B49-M5T1U

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Introduction

S-1132B49-M5T1U is a linear voltage regulator from Pulse Electronics Corporation, suitable for a wide range of applications. It is a 3-terminal adjustable positive voltage regulator which offers current-limited, thermal overload protection and the transistor output can be short-circuited indefinitely without affecting the regulation. The regulator features adjustable voltage range and low quiescent current.

Application Field

S-1132B49-M5T1U has a wide range of applications, suitable for most low input voltage, low power applications. It is mainly used in precision operational amplifiers, analog-to-digital converters, programmable logic devices, processing systems, etc. It can also be used in cellular phones, PDAs, audio amplifiers and portable medical devices. Furthermore, the regulator can be used in automotive or industrial applications for various power control and regulation purposes.

Working Principle

S-1132B49-M5T1U operates as a linear voltage regulator, using an internal voltage adjustment transistor to keep the output voltage constant. The input voltage is compared to the internal reference voltage and the voltage adjustment transistor is driven by the comparison result. The output voltage is determined by the potentiometer connected to the adjustment pin. The output current limit sets the maximum amount of current that the regulator can provide. The quiescent current is low, and the current limit is typically 1A.

Under normal operating conditions the thermal protection mechanism should not activate, however if the output current reaches a certain limit or the internal temperature exceeds a certain level the thermal protection mechanism is activated and the regulator is disabled until the temperature has dropped. The output can be short-circuited for an indefinite period of time without affecting the regulation.

Conclusion

S-1132B49-M5T1U is a highly versatile linear voltage regulator from Pulse Electronics Corporation, suitable for most low power applications. It offers current-limited, thermal overload protection and can be short-circuited indefinitely without affecting the regulation. The adjustable voltage range and low quiescent current of the regulator make it suitable for a wide range of applications, including automotive and industrial applications.

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