S-1172B48-E6T1U

Current - Output:	1A
Supplier Device Package:	6-HSOP
Package / Case:	6-SOIC Variation (0.154", 3.9mm Width), 4 Leads + 2 Fins
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	S-1172
Voltage Dropout (Max):	0.1V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.8V
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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S-1172B48-E6T1U Application Field and Working Principle

Introduction

The S-1172B48-E6T1U is a low dropout, low noise, and efficient linear voltage regulator designed to provide superior power management performance. It is widely used in field-programmable gate arrays (FPGAs), microprocessors (MPUs), deep learning processors (DLPs), and various digital applications. This particular device of the S-1172B48 family was designed to operate in an optimized manner, providing 4.8V output voltage at up to 4.5A output current.

Application Field

The S-1172B48-E6T1U voltage regulator is widely used in a variety of fields. These include industrial systems, embedded systems, consumer electronics, computer peripherals, portable electronic devices, and automotive systems. It is specifically designed to provide highly efficient power management in the aforementioned applications.The S-1172B48-E6T1U voltage regulator is equipped with integral fuses for over-voltage protection, over-current protection, and over-temperature protection. It also features output accuracy within 1% and low noise performance over a wide range of operating temperatures.The S-1172B48-E6T1U has a high-efficiency power management circuit that is designed to switch quickly and accurately in response to changes in the load current. It is capable of operating at low quiescent current and requires no external components to function effectively. Additionally, it comes with a built-in overtemperature protection circuit, a thermal shutdown feature, and ESD protection.

Working Principle

The S-1172B48-E6T1U is based on a Class AB linear voltage regulator, which is an unregulated voltage source operated at its maximum available output voltage level to provide a stable output voltage. This specific regulator features a low dropout voltage, allowing for an output current of up to 4.5A.The S-1172B48-E6T1U is a linear voltage regulator that uses a voltage reference as a reference point for the output voltage. This reference point is supplied to an error amplifier which compares it to the output voltage, providing a closed-loop feedback mechanism. This feedback loop continuously adjusts the regulator’s output voltage level to maintain a constant output voltage.The regulation of the output voltage is accomplished by adjusting the output current while maintaining a constant input voltage. When the output current increases, the output voltage is reduced due to the internal voltage drop, and vice versa. If the output current is increased by more than a certain threshold, the regulator can enter into over-current protection mode and shut down.

Conclusion

The S-1172B48-E6T1U is a highly efficient and low noise linear voltage regulator that is suitable for a wide range of applications. It is equipped with a high-efficiency power management circuit and various protection circuits, allowing it to provide robust and reliable operation. It is designed to operate at low quiescent current, and offers excellent output accuracy and low noise performance. The S-1172B48-E6T1U is a powerful and reliable voltage regulator that is the ideal choice for power management applications.

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