S-1137D25-U5T1U

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):	0.35V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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 to PMIC - Voltage Regulators - Linear:
A PMIC - Voltage Regulator - Linear (VR) is an electronic system device that regulates the output voltage in a range of values, usually in the range of 5-60 V. VRs are used in modern electronic systems to control the operating voltages of different components. These components range from transistors, microprocessors, voltage regulators, and motor controllers to LEDs, LCD displays, batteries, and other components. VRs have a wide range of applications, from automotive to telecommunications to the Computer industry.

S-1137D25-U5T1U Application Field and Working Principle:
The S-1137D25-U5T1U is a linear voltage regulator IC from Supertex Inc, which is used for controlling the output voltage in a range from 5-60V. This IC is suitable for applications in automotive, industrial, telecommunications, and computing systems. It is housed in a SOT-223 plastic surface mount package, which is a 3-pin package that provides the input and output connection pins and the enable/disable pin. The VR is designed to provide a fixed voltage output even when the input voltage fluctuates, and to achieve this the device has built-in overvoltage, undervoltage, and overcurrent protection. The S-1137D25-U5T1U is capable of delivering up to 750mA of output current and can remain in regulation over a wide range of temperature and line conditions.

How the S-1137D25-U5T1U Works:
The S-1137D25-U5T1U is an integrated linear voltage regulator that can be used to regulate the output voltage in a range from 5-60V. The VR works by controlling a series of power transistors and diodes to generate a regulated voltage. The input voltage is first regulated by a voltage reference diode, which is used to provide a reference voltage. This reference voltage is then compared to the output voltage by the controller, which is used to adjust the amount of current flowing in the power transistors. This regulation process is then repeated as the environment changes or the output voltage is adjusted. The device has a built-in soft-start feature to reduce inrush current, as well as a shutdown pin for disabling the device. The device is capable of handling large transient loads, and is capable of delivering up to 750mA of output current.

Conclusion:The S-1137D25-U5T1U from Supertex Inc is an integrated linear voltage regulator that can be used to regulate the output voltage in a range from 5-60V. The device has built-in overvoltage, undervoltage, and overcurrent protection, and is capable of delivering up to 750mA of output current. The device is suitable for applications in automotive, industrial, telecommunications, and computing systems, and is housed in a SOT-223 plastic surface mount package. It is designed to provide a fixed voltage output even when the input voltage fluctuates, and has a built-in soft-start feature to reduce inrush current and a shutdown pin for disabling the device.

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