S-13R1D18-M5T1U3 Integrated Circuits (ICs)

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Reverse Current, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	9µA
Current - Quiescent (Iq):	1µA
Series:	S-13R1
Voltage Dropout (Max):	0.28V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
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

Power management integrated circuits (PMICs) play a critical role in ensuring the reliable and efficient operation of complex electronic systems. Voltage regulators can be included in PMICs and are used to maintain a consistent and reliable output voltage, which helps the system run more efficiently and stably with fewer components. Linear voltage regulators regulate the outgoing voltage through the use of linear techniques using transistors and other components. Among these linear voltage regulators, S-13R1D18-M5T1U3 stands out for its application fields and working principle.

S-13R1D18-M5T1U3 Voltage Regulator Application Fields

The S-13R1D18-M5T1U3 voltage regulator is designed for regulators with a wide range of applications, from automobiles to commercial and industrial use. In automotive applications, the device can be used to regulate the voltage levels of lighting systems and electronic control units, as well as electronic accessories such as interior lights and radios. It can also be used as an auxiliary power source for electric motors, and to ensure a stable voltage supply for safety systems such as ABS/ESC and airbags.In industrial and commercial applications, S-13R1D18-M5T1U3 voltage regulators can be used in many areas, such as server systems, personal computers, medical equipment, and automatic data-collection systems. The device is also suitable for a wide range of embedded applications, providing seamless and stable power supply for low power consumption devices.

S-13R1D18-M5T1U3 Voltage Regulator Working Principle

The working principle of the S-13R1D18-M5T1U3 voltage regulator is based on linear techniques using transistors and other components. This device features an on-chip band gap reference circuit, which is used to generate the input voltage reference. The input voltage is divided and filtered by resistance-capacitance (RC) circuits. The outputs of these circuits are then compared to the reference voltage, and the differences are amplified by the power transistors. The S-13R1D18-M5T1U3 voltage regulator has two-phase operation: first, the voltage regulation is performed through negative feedback. This helps to guarantee a stable output voltage and prevent any over-current condition. Second, the over-current protection is enabled to protect the voltage regulator from excessive current flow. This is accomplished by controlling the amount of base current; by reducing or increasing it, the current flow is regulated accordingly. The S-13R1D18-M5T1U3 voltage regulator also includes a protective circuit, which provides a safe shutdown of the device when it is faced with high over-temperature, over-current, or over-voltage conditions. Furthermore, the device can be protected by added protection components, such as fuses and resistors, if necessary.

Conclusion

The S-13R1D18-M5T1U3 linear voltage regulator is suitable for a wide range of applications and can provide a reliable and stable power supply, making it an ideal choice for many devices and systems. Its working principle, which is based on linear techniques, helps to guarantee the safety of the system, and the protection circuit provides an additional layer of protection against abnormal conditions. The device is an excellent choice for a variety of power management applications and should be considered for any system needing reliable and stable power regulation.

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