S-1721E2833-M6T1G

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Modern production process requires higher stability during power supply, which is essential to the successful operation of the system in different environmental conditions. To achieve this, PMIC - Voltage Regulators - Linear are often used. S-1721E2833-M6T19 is one of the widely used linear voltage regulators. This article will introduce the application field and working principle of S-1721E2833-M6T19.

S-1721E2833-M6T19 is a low dropout linear regulator manufactured by Silicon Labs. It is able to deliver up to 3A of output current with a dropout voltage of only 450 mV. This voltage regulator also provides excellent load and line transient response, and is ideal for automotive, handheld and consumer applications. It has integrated current limit, over voltage protection and thermal shutdown protection, so it is extremely reliable in applications where transient over voltage or excessive current is the risk.

The S-1721E2833-M6T19 is a positive voltage regulator with an adjustable output voltage between 0.8 V and 15 V. The regulating voltage is programmed with an external resistor divider. It also has an enable pin that allows the user to control the device on and off. In addition, the device features extremely low quiescent current, typically 0.3uA with shut down mode.

Working Principle of S-1721E2833-M6T19

The S-1721E2833-M6T19 is a simple linear voltage regulator, which means that it regulates the output voltage by controlling the amount of current passing through a transistors. The voltage output is set by two resistors connected in series with the output, forming a voltage divider. If a voltage appears at the output, it is converted to a current through the feedback network, such as a resistor or a zener diode, to the input of the device. This current is compared to an internal reference voltage and the difference is used to control the output voltage.

The S-1721E2833-M6T19 is further divided into two parts, a linear part and a control loop. The linear part consists of the internal transistor and its associated parts, such as the current limit circuit, over-voltage protection, thermal shutdown and enable input. The control loop is composed of series resistors and which provide the feedback network for the controller. The current signals through the resistors form a voltage which is compared by the internal error amplifier. The series resistor combination specifies the voltage division ratio that sets the output voltage.

Conclusion

The S-1721E2833-M6T19 is a linear voltage regulator designed for low voltage applications. It can provide up to 3A of output current with an extremely low dropout voltage and extremely low quiescent current. It has integrated current limit, over voltage protection and thermal shutdown protection, making it reliable in applications requiring a high degree of stability. In addition, it has an enable pin that allows the user to control the device on and off. The output voltage is adjustable and is programmed with an external resistor divider. In conclusion, the S-1721E2833-M6T19 is an ideal component for applications requiring a reliable and consistent supply of power.

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