S-L2980A15MC-TF-G

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Linear voltage regulators are essential components in power supply, providing continuous, stable and linear output voltage from input voltage source. S-L2980A15MC-TF-G is an example of such a device and its application field and working principle will be discussed below.

Overview

S-L2980A15MC-TF-G is a low dropout (LDO) regulator specifically designed to provide linear and stable output voltage of 1.5V with current up to 1A. Thanks to its high power rating, low quiescent current and excellent regulation performance, the device is suitable for many different applications. Moreover, it has a wide input voltage range of 1.7V - 15.0V, 27μA typical quiescent current, 75mV typical dropout voltage at least and 4.5V to 6V input voltage range for shutdown mode.

Application Field

S-L2980A15MC-TF-G is suitable for many different applications and the main ones are:

• The device is used to power microprocessors, microcontrollers & associated logic.
• It can also be used in systems that require low dropout and high voltage accuracy.
• It can be used in laptop computers, mobile phones, automotive applications and other consumer electronics.

Features and Benefits

S-L2980A15MC-TF-G has many features and benefits that make it attractive for many applications. Some of these include:

• Low dropout voltage: 75mV typical, ensuring a stable output voltage.
• Wide input voltage range: 1.7V-15.0V, allowing the device to be used in various systems.
• High power rating: 1A, allowing the device to power circuits with high current.
• Low quiescent current: 27μA typical, resulting in low power consumption.

Typical Application Circuit

The figure above shows the typical application circuit for S-L2980A15MC-TF-G. The main components of the circuit are:

• Vin: Input voltage source.
• C1: Input capacitor.
• COUT: Output capacitor.
• S-L2980A15MC-TF-G: Provides the linear and stable output voltage.

Working Principle

S-L2980A15MC-TF-G is a linear voltage regulator that works based on the principle of negative feedback. The device uses an internal voltage reference to generate a reference voltage which is compared with the output voltage. If the output voltage is lower than the reference voltage, the device will increase its output current to raise the output voltage. The opposite applies if the output voltage is higher than the reference voltage. This means that the output voltage will be regulated and stabilized.

The device also has other features such as overcurrent protection, thermal shutdown and output voltage dispersion that make it more reliable and robust for use in various systems.

Conclusion

S-L2980A15MC-TF-G is a low power, low quiescent current and high power linear voltage regulator which can provide outputs of 1.5V with currents up to 1A. The device has a wide input voltage range of 1.7V to 15.0V and has a typical dropout voltage of 75mV. It has many different features that make it suitable for use in different applications such as microprocessors, microcontrollers, laptop computers, mobile phones and automotive applications. Furthermore, its working principle relies on negative feedback in order to provide linear and stable output voltage.

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