S-13R1C38-A4T2U3

The S-13R1C38-A4T2U3 Voltage Regulator is a member of the linear PMIC (Power Management Integrated Circuit) family of regulators that provide an adjustable output voltage. This device has a wide range of applications, and its working principle can be easily understood.

Application Field

The S-13R1C38-A4T2U3 is a low power linear voltage regulator with adjustable and fixed output voltages ranging from 1.2 to 6.0 V. This allows it to be used in many applications, including power supplies, line regulation, battery operated supplies, and others.

The device also features thermal shutdown with safe operation and is capable of delivering up to 13 W of continuous load power at 3.3 V output. This makes it suitable for a variety of applications such as small power systems, communications and networking, commercial and industrial equipment, and so on.

The device is also suitable for use in applications with wide ambient temperatures between -40 °C and 85 °C, making it suitable for use in temperature-critical environments.

Working Principle

The S-13R1C38-A4T2U3 Voltage Regulator works by sensing the voltage output from a power source and using a reference voltage to compare it against. The device then takes the difference between these two voltages, amplifies it and uses this amplified voltage to control the output voltage.

The output voltage is adjusted using two external components - a pair of resistors. The first resistor is used to set the reference voltage and the second to set the desired output voltage. The device then adjusts the output voltage with an error voltage as required.

The device also features protection against over-voltage and over-current through the built-in current sense and output enable pin. It is also equipped with thermal shutdown protection to protect itself from damage due to excessive temperature.

Conclusion

The S-13R1C38-A4T2U3 is a powerful and efficient linear voltage regulator that can be used in a wide range of applications. Its adjustable output voltage, thermal protection, and current sense protection make it a versatile regulator and one that can provide reliable performance in a variety of applications.