S-1132B28-M5T1U Integrated Circuits (ICs)

Current - Output:	300mA
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:	Over Current
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	40µA
Current - Quiescent (Iq):	1µA
Series:	S-1132
Voltage Dropout (Max):	0.21V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The S-1132B28-M5T1U is a 5V low dropout linear voltage regulator that can provide up to 500mA of current. Its wide input voltage range makes it suitable for a variety of applications, from embedded systems to consumer electronics. It is available in an 8-pin MSOP package, making it ideal for space-constrained applications. This article will discuss the application field and working principle of the S-1132B28-M5T1U.

Application Field

The S-1132B28-M5T1U is a 5V low dropout linear voltage regulator, making it suitable for applications where a 5V supply is needed. Its wide input voltage range of 1.8V to 28V makes it suitable for a variety of applications, such as embedded systems, consumer electronics and industrial automation. It is also suitable for automotive applications, given its wide temperature range of -40°C to +85°C.The S-1132B28-M5T1U is extremely energy efficient, with a quiescent current of 100µA. This makes it ideal for battery powered applications, such as portable electronics. Its built-in over current protection and thermal shutdown make it reliable in harsh environmental conditions. The 8-pin MSOP package makes it ideal for space-constrained applications, such as wearable devices.

Working Principle

The S-1128B28-M5T1U is a low dropout linear voltage regulator, meaning that it works by reducing the output voltage when the input voltage is higher than the desired output voltage. A voltage regulator is typically composed of two main components, an error amplifier and a power pass transistor.The error amplifier is responsible for comparing the feedback voltage to the reference voltage (5V in the case of the S-1132B28-M5T1U). If the feedback voltage is higher than the reference voltage, the error amplifier will produce an output voltage that will drive the power pass transistor, which in turn reduces the output voltage to the desired level.The power transistor works in either a linear or switching mode, depending on the supply voltage. When the supply voltage is lower than 5V, the power pass transistor will operate in linear mode, meaning that the output voltage will be equal to the voltage drop across the transistor multiplied by the current. When the supply voltage is higher than 5V, the power pass transistor will operate in switching mode, meaning that the output voltage will be equal to the input voltage minus a little for switching loss.

Conclusion

In conclusion, the S-1132B28-M5T1U is a 5V low dropout linear voltage regulator. It is suitable for a variety of applications, from embedded systems to consumer electronics, and is ideal for space-constrained applications, given its 8-pin MSOP package. It works by comparing the feedback voltage to the reference voltage and driving a power pass transistor to reduce the output voltage if necessary. Thanks to its low quiescent current and over-current protection, the S-1132B28-M5T1U is extremely energy efficient and reliable.

The specific data is subject to PDF, and the above content is for reference