S-1333D25-A4T2U3

Current - Output:	300mA
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, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	38µA
Current - Quiescent (Iq):	1µA
Series:	S-1333
Voltage Dropout (Max):	0.31V @ 100mA
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	2.5V
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-1333D25-A4T2U3 is a linear voltage regulator used in many electronics devices. It is designed to offer high accuracy, low dropout (LDO) voltage regulation, fast transient response and excellent power supply dynamic performance. This voltage regulator can be applied in many different applications, ranging from small handheld electronics to large-scale industrial electronics. In this article, we will discuss the application fields and working principle of the S-1333D25-A4T2U3.

Application Fields for the S-1333D25-A4T2U3

The S-1333D25-A4T2U3 linear voltage regulator is suitable for applications where accuracy, fast transient responses and low dropout performance are needed. These include portable electronics, low-noise precision systems, and high-performance instrumentation.The S-1333D25-A4T2U3 has been designed to provide excellent performance in any of these applications. Its high accuracy and fast transient responses ensure that it can handle challenging input dc voltage conditions, while its low-noise characteristics are ideal for low-noise processing applications.Due to its low dropout performance, the S-1333D25-A4T2U3 is also suitable for power supply design, as it provides excellent power supply dynamic performance. This is especially important in applications where power supply dynamics can be critical.

Working Principle

The S-1333D25-A4T2U3 is a low dropout voltage regulator with a fixed output voltage. It is based on a voltage reference and an output voltage amplifier. In order to convert an input voltage to an output voltage, the S-1333D25-A4T2U3 relies on the differences between the reference voltage and the input voltage.Firstly, the reference voltage is established in order for the output voltage to remain at a desired level. The voltage reference sets the output voltage using a precision reference voltage. This reference voltage is maintained over temperature, power supply, and time variations to ensure the accuracy of the output voltage.From here, the error amplifier compares the reference and the input voltage and produces an output that is proportional to the difference. The error amplifier then converts the difference between the reference and the input voltage into an output voltage.The output voltage is then changed according to the difference between the reference and the input voltage. When the reference voltage is greater than the input voltage, the output voltage is low. On the other hand, when the reference voltage is lower than the input voltage, the output voltage is high.

Conclusion

The S-1333D25-A4T2U3 is a precision, low dropout linear voltage regulator, suitable for applications ranging from small handheld electronics to large-scale industrial electronics. It is capable of ensuring high accuracy, fast transient responses and low dropout performance, and is perfect for power supply design. Its working principle relies upon the differences between the reference voltage and the input voltage, which are converted into an output voltage using an error amplifier.

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