MIC5393-SGYMT-T5

Introduction

The MIC5393-SGYMT-T5 is a high performance low-dropout voltage regulator designed to operate with a minimum of external components. This product is designed to provide a regulated supply voltage of up to 5 volts simultaneously with a low quiescent current of only 50µA (typ). The device features a low impedance P-channel MOSFET pass transistor with a single resistor used for both current limiting and output voltage setting.

Application Field

The MIC5393-SGYMT-T5 is a versatile LDO device suitable for a wide range of applications. It is optimized for automotive applications, where its wide input voltage range, low quiescent current and low dropout voltage provide a very low-cost power solution. The device is also well suited for industrial applications where its wide output voltage range and fast transient response make it a good choice.

The MIC5393-SGYMT-T5 has also been proven to be a reliable solution for medical applications. Its low output current capability, low operating temperature and excellent power supply rejection make it an ideal choice for powering medical equipment. Finally, the device is also suitable for general purpose board level applications such as powering on-board microcontrollers and other low power digital components.

Working Principle

The working principle of the MIC5393-SGYMT-T5 is based on a low-dropout voltage regulator topology. It consists of a P-channel MOSFET pass transistor, a compensation network and a feedback loop. The P-channel MOSFET is configured as a voltage follower with the gate being driven by an external control voltage. The external resistor sets the output voltage and the internal compensation network sets the maximum output current. When the load current increases, the voltage across the pass transistor decreases and the output voltage is maintained by the feedback loop.

The MIC5393-SGYMT-T5 features a low quiescent current of only 50µA (typ), which helps to minimize power dissipation and extend the operating time of portable equipment. The device also supports a wide input voltage range from 3V to 32V, enabling it to be used with a wide range of automotive battery systems. Finally, the low dropout voltage and fast transient response characteristics make the device a suitable choice for any application requiring reliable power.

Conclusion

The MIC5393-SGYMT-T5 is a high performance low-dropout voltage regulator designed to operate with a minimum of external components. It features a low impedance P-channel MOSFET pass transistor, wide input voltage range, and low quiescent current. These features make the device well suited for applications such as automotive, industrial, medical and general purpose board level applications. The device also features a fast transient response, low dropout voltage, and excellent power supply rejection, making it a reliable and cost-effective power solution.