S-818A31AMC-BGLT2G

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The S-818A31AMC-BGLT2G is an advanced adjustable and low dropoutlinear voltage regulator (LDO regulator) for a variety of applications. This dependable part offers improved stability and voltage accuracy over a wide range of conditions. The LDO regulator is designed to offer highresponse time, low-noise operation, and low output impedance. It istypically used in regulated DC voltage applications such as post-regulating, microprocessor and peripheral power supplies, and inter-stage regulation.

Features

• High-accuracy voltage regulation
• Low noise and ripple
• Wide input voltage range (50V maximum)
• High power-supply rejection
• Reverse current protection
• Current Source and Sink Capability up to 5A

Applications

• Processors, including CPUs and GPUs
• Point-of-Load Regulation for FPGAs and ASICs
• High-accuracy reference and reference systems
• Graphics, video and audio Cards
• Digital RF Encoders
• Telecommunications equipment

Working Principle

The S-818A31AMC-BGLT2G is a low dropout linear voltage regulator that uses a PNP pass element to drop the input voltage to the predetermined reference voltage. The voltage reference of the regulator can be adjusted by adjusting the value of the resistor connected to the error amplifier pin. A feedback loop is formed by the error amplifier and the reference voltage, which allows the regulator to operate in a stable state. The voltage across the pass element is stabilized by the error amplifier and its output is kept constant. This ensures that the output voltage stays the same despite fluctuations in the input voltage.

The S-818A31AMC-BGLT2G also has a low output impedance and a fast response time, which ensures that the output voltage remains constant even during sudden changes in load current or input voltage. The linear voltage regulators also have a wide input voltage range and are able to withstand reverse current, making them suited for a variety of applications where a stable output voltage is required.

Conclusion

The S-818A31AMC-BGLT2G is an advanced adjustable and low dropout linear voltage regulator that is ideal for a variety of applications requiring a stable output voltage. It features high accuracy, low noise and ripple, high power-supply rejection, reverse current protection, and current source and sink capability up to 5A. It is well-suited for use in post-regulating, microprocessor and peripheral power supplies, inter-stage regulation, processors, FPGAs and ASICs, high-accuracy references systems, and digital RF encoders.

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