S-812C31AMC-C2LT2G

Current - Output:	50mA
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:	--
PSRR:	--
Current - Supply (Max):	1.8µA
Current - Quiescent (Iq):	500nA
Series:	S-812C
Voltage Dropout (Max):	0.41V @ 10mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.1V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The S-812C31AMC-C2LT2G is a linear voltage regulator (LVR) from Seiko Instruments. It is part of the company\'s S-812 series and designed for various voltage regulation applications including any small or portable applications. It is optimized for low standby power consumption, enabling high efficiency and low power consumption when used with low-current circuits. In this article, we will discuss the various application fields of the S-812C31AMC-C2LT2G and also take a look at its working principle.

Application Fields

The S-812C31AMC-C2LT2G ensures a smooth and stable output voltage in applications such as communications, consumer, and industrial equipment. It can be used in low-cost systems requiring a wide operating temperature range such as automotive and medical equipment. It also helps to reduce power supply noise and eliminates the need for costly output LC filters.In terms of its application fields, the S-812C31AMC-C2LT2G is suited for mobile phones, SET-TOP boxes, computers, digital cameras and televisions. It provides fast response, low temperatures and low power consumption, making it suitable for use in a range of portable and consumer electronics. Its low quiescent current (Iq) and high efficiency ensure a stable output voltage even during high-dynamic load changes.

Working Principle

The S-812C31AMC-C2LT2G is a linear voltage regulator which consists of two main components: a reference voltage and an error amplifier. The reference voltage is created by a bandgap circuit, which is a highly accurate and low noise voltage source. The error amplifier is designed to compare the output voltage with the reference voltage and make necessary adjustments. When the output voltage of the circuit exceeds the reference voltage, the error amplifier reduces the current, thus reducing the output voltage. Conversely, when the output voltage is lower than the reference voltage, the error amplifier increases the current, resulting in an increase in the output voltage. This process is called feedback control and enables accurate and stable voltage regulation.

Conclusion

The S-812C31AMC-C2LT2G linear voltage regulator is a highly efficient and low power consumption device that can be used in a range of consumer and industrial applications. It has a wide operating temperature range and low quiescent current, enabling robust and reliable voltage regulation. Its working principle is based on a reference voltage and an error amplifier, enabling feedback control and stable output voltage over dynamic load changes.

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