S-1137D1J-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):	0.42V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.85V
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 S-1137D1J-U5T1U

S-1137D1J-U5T1U is an integrated linear voltage regulator that simplifies the design of low voltage, low power, portable applications. It belongs to the Micrel semiconductor series of power module products. As a linear voltage regulator, S-1137D1J-U5T1U is used to provide an adjustable output voltage from an input voltage source.

Application Fields of S-1137D1J-U5T1U

S-1137D1J-U5T1U is applicable to a variety of low-power, portable electronics. It can be used in Point of Sale (POS) systems, handheld systems, medical applications, measurement and monitoring, and so on.The S-1137D1J-U5T1U offers a wide output voltage range, good line and load regulation, a fast transient response time, low quiescent current, and low-cost solution.

Features of S-1137D1J-U5T1U

The S-1137D1J-U5T1U is able to turn applications into low-power, energy-efficient systems. It offers a wide range of features that enable it to meet the various needs of different applications:• Wide Output Voltage Range: The S-1137D1J-U5T1U provides a wide output voltage range of 0.8V to 9V, with a wide range of power supplies. • High Input Voltage Range: The S-1137D1J-U5T1U can accept input voltage from 4V to 36V. • Low Quiescent Current: The quiescent current of the S-1137D1J-U5T1U is low, allowing it to be used in low-power, energy-efficient systems.• High Efficiency: With a maximum power efficiency of 95%, the S-1137D1J-U5T1U provides reliable and efficient power management.• Excellent Line and Load Regulation: The output voltage of the S-1137D1J-U5T1U is able to remain stable even with varying line and load conditions. • Low Dropout Voltage: The low dropout voltage of the S-1137D1J-U5T1U allows it to be used in low power applications.• Fast Transient Response: The S-1137D1J-U5T1U offers fast transient response time, allowing it to regulate voltage quickly with changing load requirements. • Programmable Current Limit: This feature allows for control of current flows in order to reduce the number of heat-generating components. • Small Footprint: With a total height of just 1mm, the S-1137D1J-U5T1U is ideal for small, portable applications.

Working Principle of S-1137D1J-U5T1U

The S-1137D1J-U5T1U is a three-terminal linear voltage regulator that uses an internal voltage reference to generate an accurate output voltage. In other words, it converts an unregulated input voltage into a regulated output voltage.When an input voltage is applied to the S-1137D1J-U5T1U, it draws current from the input source, converting it into output voltage using an internal reference voltage as well as two internal power transistors.The voltage reference and two power transistors are used to increase or decrease the voltage and current supplied to the output. This allows the regulator to maintain a constant output voltage even if the load changes or the input voltage changes. The output of the S-1137D1J-U5T1U is adjustable from 0.8V to 9V. The output voltage is set using a resistor divider network that is connected between the two output pins. The ratio of the two resistors determines the required output voltage.

Conclusion

The S-1137D1J-U5T1U is a linear voltage regulator that offers a wide range of features and benefits, making it ideal for low-power, portable electronics. Its low quiescent current, wide input voltage range, excellent line and load regulation, and fast transient response make it suitable for many applications. The S-1137D1J-U5T1U can be used to provide a stable output voltage from an input voltage source, making it an ideal power solution for a variety of uses.

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