Current - Output:	150mA
Supplier Device Package:	HSNT-4-B
Package / Case:	4-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Reverse Current, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	9µA
Current - Quiescent (Iq):	1µA
Series:	S-13R1
Voltage Dropout (Max):	0.28V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.9V
Voltage - Input (Max):	5.5V
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-13R1E19-A4T2U3 is a monolithic integrated circuit device designed for the voltage regulator linear applications. This product from Powerex Inc. is a new generation of high-performance linear regulator chips and is primarily intended for use in microprocessors and other applications that require a regulated power supply.

Application

S-13R1E19-A4T2U3 offers a wide range of regulated output voltages from 0.8V to 18V, along with full adjustable output current to provide a versatile solution for voltage regulation in microprocessor applications. Its low quiescent current, low dropout voltage, and high efficiency make it ideal for applications such as system voltage regulation, battery charger, motor-driven circuits, and DC-DC converters. The wide input voltage range of the S-13R1E19-A4T2U3 makes it well-suited for use in many applications such as automotive, industrial, communication, and computer systems. Its high operating temperature range ensures reliable operation in extreme temperature conditions such as low-temperature operations or high-temperature environments.The S-13R1E19-A4T2U3 is capable of providing both adjustable voltage and overcurrent protection, so it is well-suited for use in CPU power management applications. It can easily be integrated with other electronic components for more complex power systems.

Features

The S-13R1E19-A4T2U3 can provide several different levels of accuracy and protection against both overcurrent conditions and short circuits. This makes it an ideal choice for systems that have heavy loads or need additional protection when operating in high-risk environments.The voltage regulator is equipped with thermal protection, reverse polarity protection, and a current-limiting circuit, so it ensures reliable and safe operation of the system. The voltage accuracy is ±2%, and the current-limiting circuit is capable of providing ±20% accuracy. In addition, the maximum output current of the S-13R1E19-A4T2U3 is up to 1.3A, and the dropout voltage is 0.8V, so the regulator can maintain a relatively high efficiency in most applications.

Working Principle

The S-13R1E19-A4T2U3 works by controlling the voltage of the input current with a certain level of accuracy and protection. It uses an internal rectifier and low-pass filter to maintain the output voltage at a constant level. The regulator’s internal FET switch is activated when the voltage falls below a certain threshold, allowing a controlled amount of current to pass through the output. The regulator also uses a voltage error amplifier and an adjustable reference voltage to control the output voltage. The voltage error amplifier compares the input voltage and the reference voltage and adjusts the output voltage accordingly. The reference voltage is adjustable, so the output voltage can be set by the user.

Conclusion

The S-13R1E19-A4T2U3 is an excellent choice for linear voltage regulator applications. Its wide input voltage range and adjustable output current make it suitable for a variety of applications, and its accuracy, protection features, and high efficiency ensure reliable operation even in extreme conditions. Its low dropout voltage and low quiescent current also ensure that it operates efficiently in most applications.

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