S-1112B39MC-L6YTFG

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The S-1112B39MC-L6YTFG PMIC voltage regulator is part of the linear voltage regulator family and this article explores its application field and working principle.

Overview

The S-1112B39MC-L6YTFG is a negative voltage regulator ideal for automotive, industrial, and consumer applications. It is a single-channel, low-dropout voltage regulator that works with a wide stepping output voltage range from -0.8 V up to -7.2 V. It is available in a DFN 0.87x0.87x0.45 package with 0.4mm lead pitch (osLGA-4N). The S-1112B39MC-L6YTFG has complete features for optimal current stability and temperature stability, making it a cost-effective solution. It also has a wide power range from 4.0 V to 20 V, making it ideal for applications with varying input voltages.

Application Field

The S-1112B39MC-L6YTFG is a low quiescent-current negative voltage regulator that can be used in a wide range of applications. Its wide input voltage range and adjustable output voltage range makes it suitable for various applications in automotive, industrial, and consumer electronics. Some examples include use as a supply voltage stabilizer in automotive ECU modules, sub-signal voltage source in portable devices, and power supply source for precision measurement instrumentation.

It can also be used to protect devices from overvoltage stress since it has an fast overvoltage protection (OVP), surge current resistance (ESD), and optimal transient response. Beyond automotive, industrial and consumer needs, it can be used in other equipment, such as social infrastructure systems, audio video equipment and data centers. All these application fields rely on the robust performance of the S-1112B39MC-L6YTFG for their precise and reliable operation.

Working Principle

The S-1112B39MC-L6YTFG works with a voltage-controlled feedback topology and operates in a low quiescent-current linear regulation mode. It has current and thermal limit protection that allows it to deliver precise voltage regulation with low power dissipation. It also has an extremely low-dropout voltage design which enables precise, continuous voltage regulation when the input and output voltages are close.

The device also has short-circuit protection which kicks in when an output load current exceeds the device\'s programmed current limit. Its fast response time during sudden load changes gives the S-1112B39MC-L6YTFG an excellent transient response. Its small size also makes it an ideal choice for space-constrained applications.

Conclusion

The S-1112B39MC-L6YTFG linear regulator is designed to provide reliable, low-dropout negative voltage regulation with minimum power dissipation. Its wide input voltage range, adjustable output voltage range, and fast protection features make it suitable for a wide range of automotive, industrial, and consumer applications. Its safety features and small size make it a highly reliable and space-efficient solution for mission-critical installations.

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