S-13R1A26-I4T1U3

Current - Output:	150mA
Supplier Device Package:	SNT-4A
Package / Case:	4-SMD, Flat Leads
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):	2.6V
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 (PMIC) are widely used in the modern day to provide efficient and improved energy management functions for various electronic devices. In particular, PMIC Voltage Regulators are an important class of PMIC because they allow precise regulation of the power supply output voltage, as well as provide integrated current-limiting protection features. Linear voltage regulators are a specialization of voltage regulators where the output voltage is maintained via an attenuation of the output current. This type of voltage regulator provides a low output impedance with superior temperature stability, excellent noise and ripple reduction, and low operating current.The S-13R1A26-I4T1U3 is a Voltage Regulator IC (VR IC) from ROHM that belongs to this Linear Voltage Regulator class. This IC combines many of the linear regulator features described above with a low-noise design that ensures stable operation. It also boasts a wide compatibility with other digital and analog components due to its low-profile and wide range of configuration options. This IC is widely used in various applications and industries, such as automotive, computing, communications, and much more.

Application

The S-13R1A26-I4T1U3 is widely used in the automotive industry due to its ability to provide a consistent operating voltage that is low-noise and temperature stable. In automotive applications, this VR IC is typically used to regulate the power for components such as sensors, display electronics, and other mid-voltage point of loads. The IC’s low dropout voltage also ensures that unnecessary power consumption is eliminated.This IC is also widely used in computing and communications applications due to its fast response time, low jitter, and low-input leakage current features. The IC can be used to regulate the output voltage for load cells, Ethernet switches, and other logic gate arrays. The VR IC is also highly compatible with other digital and analog components and can be used to provide power to CPUs, GPUs, memory modules, and other types of electronics.

Working Principle

The S-13R1A26-I4T1U3 is a linear voltage regulator IC that uses an attenuation technique to maintain a consistent output voltage. This is done by controlling the supply voltage to the output terminal and reducing the output current when the output voltage gets too high, while increasing the output current when the output voltage gets too low.This circuit is a two-terminal type voltage regulator IC and consists of an NMOS source follower circuit. The input voltage is applied to the NMOS source follower circuit and connected to the gate. The threshold voltage of the NMOS then determines the output voltage. The output voltage is compared with a reference voltage and will be adjusted accordingly.This IC also has a low-noise design that allows for better temperature stability and ripple reduction. Additionally, the IC has a wide operating temperature range, with a minimum operating temperature of -40°C and a maximum operating temperature of 125°C.

Conclusion

The S-13R1A26-I4T1U3 is a two-terminal type linear voltage regulator IC from ROHM that is widely used in automotive, computing, and communications applications. It is designed to provide consistent and stable performance with low noise, low input leakage current, and improved temperature stability. Its wide range of operating temperature allows it to be used in a variety of environments and it also boasts an extremely low dropout regulator which helps to reduce unnecessary power consumption.This IC is ideal for powering various components, such as sensors, display electronics, Ethernet switches, and other digital and analog components. It is capable of providing an output voltage that is highly consistent and temperature stable and its low-noise design ensures that it operates smoothly and efficiently.

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