Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	1.08V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	TPS3123J12

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

TPS3123J12DBVT Application Field and Working Principle

Introduction

The TPS3123J12DBVT is a precise, low-power supervisor circuit that has been designed to monitor the power status of microcontrollers as well as remote signaling circuits. This device is a programmable power supervisor which is suitable for a variety of embedded applications, such as in microprocessor-based systems. This device is also relatively easy to use, due to its highly integrated features in a small 6-pin SOT-23 package.

Features

The TPS3123J12DBVT features a variety of features that make it an ideal choice for safety and power monitoring applications in a number of different industries. It is an efficient, low quiescent current, low dropout linear regulator device. The adjustable feedback regulated output voltage can be adjusted from 1.2 V to 5.3 V with a 0.7V reference voltage. Additionally, there are both high and low voltage differential sensing pins, which can be used to detect the system\'s power status. This device also has excellent transient response, protection circuitry and a wide input voltage range of two cells alkaline or one cell Li+ batteries, or other an adapter or power supply between 2.7 V and 5.5 V. The TPS3123J12DBVT is also designed with superior power efficiency and reliability in mind, featuring wide line transient response, a low power supply shutdown current (less than 1uA), a low dropout voltage (0.35V max) and a 1.3V output voltage.

Application Fields

The TPS3123J12DBVT is largely used in a variety of safety and power monitoring applications in a wide range of industries. Due to its advanced protection circuitry, wide input voltage range and precise output voltage, it is a perfect choice for applications such as remote sensing, portable electronics, wearables, battery powered and motor control systems, automotive and automotive aftermarket applications, consumer products and medical devices. The device is also often used as an interface to signal detection, such as in automotive applications, where it can be used to detect signals from 12v, 24v and 48v systems. Additionally, the device offers superior reliability and safety and provides performance benefits such as immunity to transients and supply voltage spikes.

Working Principle

The TPS3123J12DBVT is based on a feedback regulation system, which is set up to detect and regulate the current output voltage of the system. The device uses a regulation loop, which consists of three basic parts: the input current, reference voltage, and compare function. The regulation loop is constantly monitored by the device, and the output voltage is adjusted accordingly to ensure the correct voltage output. This process is accomplished by sensing the input current and compar- ing it to the reference voltage. The reference voltage is adjustable, and it is monitored and regulated by a compare function to ensure that the output voltage remains steady and within the proper range. If the output voltage is too low, the input current is increased to raise it to the proper level. Conversely, if the output voltage is too high, the input current is decreased to lower it to the proper level.

Conclusion

The TPS3123J12DBVT is a reliable and powerful power monitoring circuit that can be used in a variety of applications. It features a wide input voltage range, efficient transient response, and precise output regulation that make it perfect for safety and power monitoring applications in many different industries. Additionally, its feedback regulation system ensures that the output voltage remains steady and within the proper range for maximum performance and reliability.

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

Part Number	Manufacturer	Price	Quantity	Description