S-1313A20-A4T1U3

Current - Output:	200mA
Supplier Device Package:	HSNT-4-A
Package / Case:	4-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Thermal Shutdown
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	1.35µA
Current - Quiescent (Iq):	100nA
Series:	S-1313
Voltage Dropout (Max):	0.49V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-1313A20-A4T1U3 is a type of linear voltage regulator. Linear voltage regulators are components which are used to regulate the output from a power supply, enabling the voltage to remain consistent. This component is specifically designed for integrated circuit applications, such as for microcontrollers and power processors, helping maintain specific output levels.This article will look at the applications and working principle of the S-1313A20-A4T1U3 linear voltage regulator.

Applications

The S-1313A20-A4T1U3 is a double-stage, high-speed linear voltage regulator which is designed to provide accurate and reliable supply voltage regulation for a wide range of integrated circuit applications. It is also well-suited for use in other circuits involving transistors, FETs, optoelectronic components, and analog sources.The beauty of this regulator is that it can operate at high supply voltage levels (such as the 24V range) while providing very low output voltages (such as 1.25V). This makes it perfect for applications which require both low and high supply voltages in order to operate effectively.The S-1313A20-A4T1U3 linear voltage regulator is also well-suited for use in noise-sensitive integrated circuit applications, as it features a low-noise feedback circuit and can tolerate high-frequency EMI noise.

Working Principle

The S-1313A20-A4T1U3 is a double-stage, high-speed linear voltage regulator, which means that it features two main stages. The first stage is the main regulator, which is responsible for regulating the output voltage, and the second stage is the compensation regulator, which is responsible for maintaining the output voltage at the desired level.The main regulator works by taking the input voltage (which is usually higher than the required output voltage) and reducing it to ensure that the output voltage is as close as possible to the desired level. This is done via a series of resistors, capacitors, and transistors, which ensure that the output voltage is as close as possible to the specified output level.The compensation regulator then works by comparing the output voltage to an internal reference voltage. If the output voltage is higher than the reference voltage, then the compensation regulator will adjust the output voltage to reduce it to the desired level. Conversely, if the output voltage is lower than the reference voltage, then the compensation regulator will increase the output voltage in order to bring it back to the desired level.

Conclusion

The S-1313A20-A4T1U3 is a double-stage, high-speed linear voltage regulator which is designed to provide accurate and reliable supply voltage regulation for a wide range of integrated circuit applications. It is suitable for applications which require both low and high supply voltages, and is well-suited for use in noise-sensitive applications, thanks to its low-noise feedback circuit and ability to tolerate high-frequency EMI noise. The main regulator works by reducing the input voltage so that the output voltage stays as close as possible to the desired level, while the compensation regulator helps to fine-tune the output voltage to ensure that it stays within the specified range.

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