S-L2980A40MC-TF-G

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	--
Control Features:	Enable
PSRR:	65dB (1kHz)
Current - Supply (Max):	140µA
Current - Quiescent (Iq):	1µA
Series:	S-L2980
Voltage Dropout (Max):	0.14V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Application Field

The S-L2980A40MC-TF-G is a linear voltage regulator with an environmental temperature operating range of -40°C to +85°C. It is designed to provide a consistent and reliable output voltage for a variety of applications. The device integrates a voltage regulator, a threshold detector and a NMOS transistor which makes it suitable for a range of consumer and industrial electronics. The S-L2980A40MC-TF-G is a cost-effective solution ideal for high stability voltage regulation in portable devices, laptop computers, as well as tablets and cell phones. It can also be found in industrial applications such as communication modules, IoT devices and embedded systems. The output voltage of the regulator is adjustable from 1.250V to 8.000V, with a maximum output current of 400mA. The device is equipped with a Light-Load mode that aids in power saving when the output current is lower than 100uA.

Working Principle

The S-L2980A40MC-TF-G is built on a combination of linear voltage regulating and NMOS MOSFET technology. In this design, the voltage regulator has an input voltage range of 1.5V to 10V, making it suitable for wide application scenarios.The device uses a regulated internal reference voltage generator to provide an accurate output voltage, regardless of variations in the input voltage. The voltage reference dictates the output voltage, and it is maintained across a wide range of currents due to the error amplifier’s high input impedance.The voltage regulator also features a Low Quiescent Current (LQC) design that minimizes the amount of power consumed by the circuit. This helps in extending battery life and reducing thermal energy output. The device is also designed to provide short-circuit and thermal protection to protect the circuit against over-voltage, over- current, and over-temperature conditions.Additionally, the regulator is equipped with an internal circuitry that helps protect the output voltage against momentary drops in input voltage. This feature helps maintain a consistent and reliable output voltage, without any glitches or drops due to external circumstances.

Conclusion

The S-L2980A40MC-TF-G is a linear voltage regulator that offers an adjustable output voltage range of 1.250V to 8.000V, with a maximum output current of 400mA. Its LQC design minimizes the power consumption, and its integrated NMOS transistor provides protection from over-voltage, over-current, and over-temperature conditions. Furthermore, its internal circuitry helps protect the output voltage against momentary drops in input voltage and maintains a consistent and reliable output voltage. With its cost effective and reliable design, S-L2980A40MC-TF-G is an ideal solution for high-stability voltage regulation in portable devices, laptop computers, tablets, cell phones, communication modules, IoT devices, and more.

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