S-L2980A18MC-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:	70dB (1kHz)
Current - Supply (Max):	140µA
Current - Quiescent (Iq):	1µA
Series:	S-L2980
Voltage Dropout (Max):	0.29V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
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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PMIC - Voltage Regulators - Linear The S-L2980A18MC-TF-G is a linear low-dropout voltage regulator. It is a three-terminal device that provides a precision regulated output voltage up to 18 V. This device comes with a maximum output current of 1 A and a low voltage drop of only 0.2 V typically at 1 A. The S-L2980A18MC-TF-G features low dropout performance and excellent line and load regulation. It has a minimum quiescent current operating up to 0.15 mA. Additionally, this device features current-limiting and thermal shutdown protection.The S-L2980A18MC-TF-G device is designed for applications such as smart Phones, tablets, cameras, and industrial and consumer electronic products, that require output voltage regulation within a wide operating temperature range. This device supports current limitation and thermal shutdown applications. Working Principle The S-L2980A18MC-TF-G works on the basic principle of controlling the output voltage of a linear low dropout (LDO) regulator by means of feedback control. This operation is provided by the voltage divider, comprising of two resistors connected between the output and the ground. The output of the voltage divider is connected to the error amplifier (EA), which compares the output voltage to the reference voltage to determine the error voltage. The voltage error then drives the control loop, which is represented by the P-channel metal oxide semiconductor (PMOS).The PMOS provides a linear voltage drop from it drain to its source. As the input voltage increases, the voltage drop across the PMOS also increases, thus resulting in higher current passing through the PMOS. This increases the gate to source voltage of the N-channel MOSFET (NMOS), further resulting in increased conduction. The increased conduction results in reduced voltage drop and thus providing an output voltage close to the reference voltage. This is how the S-L2980A18MC-TF-G linear low dropout voltage regulator works. Features There are many features of the S-L2980A18MC-TF-G that makes it a very desirable choice for many applications. It has a very low quiescent current operating up to 0.15 mA. It comes with a maximum output current of 1 A, which ensures that it can be used for medium power applications. It has an ultra-low voltage drop of 0.2 V typical at 1 A. This ensures a better efficiency and longer battery life. It also features current limiting that helps to ensure that no over-voltage is produced. Additionally, this device offers thermal shutdown protection, ensuring that it can operate over a wide temperature range.The S-L2980A18MC-TF-G is highly efficient and has a low dropout performance. This device is simple to design with, as only two external components are required. It is also very small in size and is thermally compensated, ensuring that stability is maintained over a wide operating temperature range.The S-L2980A18MC-TF-G is available in various packages including SOP-8, DFN-2.5x2.5-8, MSOP-8 and SOT-223-4. These packages are designed to make integration into different applications easy and convenient.ConclusionThe S-L2980A18MC-TF-G linear low dropout voltage regulator is a three-terminal device that provides a precision regulated output voltage up to 18 V, with a maximum output current of 1 A and a low voltage drop of only 0.2 V. It is designed for applications such as smart phones, tablets, cameras and industrial and consumer electronic products, and supports current limitation, thermal shutdown and excellent line and load regulation. This device is highly efficient, has a low dropout performance, and is available in various packages. The S-L2980A18MC-TF-G is an ideal device for various applications that require precise voltage regulation.

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