S-1137A22-U5T1G

Current - Output:	300mA
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
Control Features:	Enable, Soft Start
PSRR:	70dB (1kHz)
Current - Supply (Max):	65µA
Current - Quiescent (Iq):	1µA
Series:	S-1137
Voltage Dropout (Max):	0.38V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.2V
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-1137A22-U5T1G is a linear voltage regulator that is designed to provide the stable, low noise power supply for a wide range of applications. It can provide precision output voltage control over an input range of 2.5 to 40 V and an output range of 0.8 to 20 V. The device can also handle current up to 3 A, making it an ideal choice for applications requiring high-power and/or high-precision voltage regulation.

Application Field

The S-1137A22-U5T1G is most commonly used in a variety of power management applications, such as automotive, industrial, and audio. It is ideal for those applications that require high-precision, low-noise power supply. The S-1137A22-U5T1G can be used in a variety of situations, such as providing power to a system while in standby mode, providing power backup to critical systems during power interruptions, or providing additional power in tough electrical environments such as cold weather or other harsh conditions. The S-1137A22-U5T1G is also a great choice for those applications that require a high-current, low-noise power supply.

Working Principle

The S-1137A22-U5T1G is based on a linear voltage regulation technology, commonly referred to as a “linear regulator.” This type of regulator works by taking the input voltage and regulating it to the desired output voltage by means of a series of switches that reduce the current as the voltage increases. This ensures that the output voltage remains stable and consistent, regardless of the input voltage.The linear regulator works by creating a feedback loop that maintains the output voltage at a desired level. The input voltage is rectified, which starts the feedback loop. The rectifier removes any AC component from the input voltage, leaving only a DC component. This DC component is compared to a reference voltage, set by an adjustable resistor. If the input voltage is higher than the adjusted reference voltage, the feedback loop activates and an error amplifier drives the series of switches, reducing the current and thus reducing the output voltage to the desired level. Once the output voltage is at the desired level, the error amplifier shuts off the series of switches and the output voltage is maintained.The S-1137A22-U5T1G also features built-in protection against low and over-voltage, over-current, and thermal shutdown. This protection ensures that the device is protected against any unexpected power surges or voltages, as well as helping to prevent any thermal runaway that could damage the device.

Conclusion

The S-1137A22-U5T1G is a linear voltage regulator that is designed for use in a variety of power management applications. It is based on a linear regulation technology, which works by taking the input voltage and regulating it to the desired output voltage. It also features built-in protection against low and over-voltage, over-current, and thermal shutdown, ensuring that the device is protected against any unexpected situation. The S-1137A22-U5T1G is an ideal choice for those applications that require a high-current, low-noise, and precise power supply.

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