S-1172B30-U5T1G

Current - Output:	1A
Supplier Device Package:	SOT-89-5
Package / Case:	SOT-89-5/6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	65dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	S-1172
Voltage Dropout (Max):	0.1V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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-1172B30-U5T1G is a linear voltage regulator manufactured by Semtech. It belongs to a family of PMICs (Power Management ICs) used in a number of applications to regulate voltage and current. This device is particularly suited for battery-powered systems looking for an efficient, low-noise, and high-accuracy source of power.

Application Field

The S-1172B30-U5T1G is designed to regulate and provide power to a wide range of devices in a variety of applications. It is ideal for battery-powered devices, such as portable devices, laptops, and tablets. It can also be used in automotive, industrial, home appliances, and communications applications. As such, it is ideally suited for applications and products that require a reliable and low-noise voltage source.

Working Principle

At the heart of the S-1172B30-U5T1G is a linear voltage regulator. This is a power device that is used to provide a regulated voltage and current. The device consists of two transistors and two resistors, with the resistors being used to set the device\'s output voltage and current. The transistors are used to regulate the current flow. The input voltage is applied to the transistor\'s base, and the voltage at the transistor\'s collector is used to regulate the current flow. When the input voltage is increased, the transistor will allow more current to flow, and the output voltage will be increased. Similarly, when the input voltage is decreased, the transistor will reduce the current flow and the output voltage will be reduced.The output voltage of the S-1172B30-U5T1G is adjustable. The output voltage can be adjusted by changing the resistors that set the output voltage. This allows the user to adjust the output voltage to suit the particular application. The device also has a number of other features, such as thermal protection, reverse current protection, output current limiting, and over-voltage protection, to ensure that the device runs safely and reliably. It also has a low quiescent current, ensuring that it consumes very little power when not in use.

Conclusion

The S-1172B30-U5T1G is a linear voltage regulator manufactured by Semtech. It is designed for a wide range of applications, such as portable devices, laptops, and tablets. It is able to provide a regulated voltage and current while consuming only a small amount of power. The output voltage is adjustable, and the device also has several features to ensure it runs safely and reliably.

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