S-13R1B2J-A4T2U3

Current - Output:	150mA
Supplier Device Package:	HSNT-4-B
Package / Case:	4-SMD, Flat Lead Exposed Pad
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):	0.23V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.85V
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

The S-13R1B2J-A4T2U3 is a linear voltage regulator module, or LVRM, an integrated circuit inside a module designed to regulate the input line voltage of a device. This module is manufactured by NXP Semiconductor. It is a low dropout (LDO) linear voltage regulator that offers high efficiency and low power consumption. This module is used to ensure a stable supply of power to a device even with changing input voltage.

Applications

S-13R1B2J-A4T2U3 is mainly used in industrial and automotive environments. The module is designed to protect against fluctuations in line voltage and prevent equipment from malfunctioning. It is ideal for drawing power from batteries, standby power sources, or other voltage sources with fluctuating input voltages. It can also protect against over-voltage and under-voltage of input voltages. The module is suitable for use in distributed power systems, point-of-load regulators, low voltage/high current power supplies, automotive battery management systems, wireless communication, or any application that requires a stable output voltage.

Features

The S-13R1B2J-A4T2U3 features a wide input operating voltage range of 4.0 - 24 VDC, and an output voltage range of 0.99 - 25.5 VDC. It offers low quiescent current consumption, low leakage current and fast transient response. The module also features a fast current limit response and hiccup protection. It is also protected by thermal shutdown, undervoltage lockout, and overvoltage protection.

Working Principle

The S-13R1B2J-A4T2U3 is a LVRM that uses two transistors, a P-channel, and an N-channel, to regulate the output voltage. The two transistors work together to compare and control the output voltage with respect to the input voltage. The input voltage is applied to the drain of the P-channel, and the voltage from the output terminal is applied to the gate of the N-channel. The P-channel therefore has to always be in saturation, meaning that the output current will be the same as the input current. The voltage across the P-channel is determined by the gate voltage of the N-channel, which is determined by the output voltage. If the output voltage is below the desired output voltage, the gate voltage of the N-channel will decrease, and the voltage across the P-channel will be lower, allowing for a higher input current and causing the output voltage to increase. Conversely, when the output voltage is higher, the gate voltage of the N-channel will increase, allowing for a lower input current, and causing the output voltage to go down. This P-channel and N-channel arrangement allows the S-13R1B2J-A4T2U3 to regulate the input voltage, and keep the output voltage stable and within the desired range, even when the input voltage is fluctuating or changing.

Advantages

The S-13R1B2J-A4T2U3 offers several advantages over other voltage regulators. Firstly, it can operate within a wide input voltage range. This means that it is suitable for use in applications where the input voltage can fluctuate over a wide range, such as in battery management systems. Secondly, it also provides reliable, low power consumption and low quiescent current consumption, making it more efficient and cost effective. Lastly, it also offers fast current limit response and hiccup protection, making it more reliable and able to protect against any sudden surges in voltage.

Conclusion

The S-13R1B2J-A4T2U3 LVRM module is an efficient, cost-effective option for voltage regulation in industrial and automotive applications. It is designed to regulate the input line voltage of a device, and protect against fluctuations in line voltage. The module is capable of offering a wide range of input and output voltages, and provides excellent protection against over-voltage and under-voltage of input voltages. It also features low quiescent current consumption, low leakage current and fast transient response, making it more reliable and efficient.

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