S-1137A30-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):	0.31V @ 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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Overview

The S-1137A30-U5T1G from Sanken is a compact, low noise linear regulator designed to provide a stable regulated output voltage from a variety of input voltage sources. This device is designed for a wide range of industrial, automotive, home and appliance applications. It has a maximum output current of 3.5A and a wide input voltage range from 3V to 30V. The S-1137A30-U5T1G also features current limit protection, thermal shutdown protection, and hysteresis protection.

Applications

The S-1137A30-U5T1G is suitable for a wide range of applications, such as measuring and control systems, industrial equipment, automotive systems, household appliances, and any application requiring a low noise regulated voltage source. It can be used as a backup power source in case of an AC power failure, as a power source for medical and instrumentation equipment, and in any other application requiring a low-noise and stable voltage source.

Features and Benefits

The S-1137A30-U5T1G offers reliable and stable regulated output voltage. It has a wide input voltage range, a high output current, and is also equipped with current limit protection and thermal shutdown protection, for improved reliability. The low output noise and high efficiency of this device make it ideal for a wide range of applications.

Working Principle

The S-1137A30-U5T1G is a low-noise linear regulator, which works by controlling the amount of current flowing through a pass element. This pass element is typically an operational amplifier (opamp) or a transistor. The amount of current is controlled by the voltage across the pass element, which is regulated by the feedback loop. The input voltage is compared to the reference voltage, and the error signal is then amplified and used to control the current of the pass element. This in turn adjusts the output voltage of the device.The S-1137A30-U5T1G also includes hysteresis protection. This protection switches off the current flow for a period of time when the current limit is exceeded, in order to prevent damage to the device or system. The output voltage is also monitored, and if it exceeds the specified thermal shutdown threshold, the device will shut down.

Conclusion

The S-1137A30-U5T1G from Sanken is a low-noise linear regulator designed for a wide range of applications. It offers reliable and stable regulated output voltage, current limit protection, and thermal shutdown protection for improved reliability. It can be used as an efficient power source for applications requiring low-noise and stable voltage source, such as measuring and control systems, industrial equipment, automotive systems, and household appliances.

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