LTC1726IS8-2.5#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	2.337V, 3.085V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LTC1726

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Introduction

LTC1726IS8-2.5#TRPBF is a fully-integrated power supervisor specifically designed to monitor and protect a low voltage/low power supply in a wide range of applications. With its various protection features, it provides excellent protection and reliability to your system. This article will discuss its application field and working principle in more detail.

Application Field

The LTC1726IS8-2.5#TRPBF power supervisor is designed to work with a wide range of low voltage/low power supplies. It can be used to monitor 3.3V, 5V, 12V, or 15V supplies. Additionally, it can monitor two auxiliary supplies, such as charge pumps, linear regulators, or switched capacitor converters. These power supervisors are used in a variety of applications, including automotive, industrial, medical, and consumer electronics. They can be used to protect the power supplies from overvoltage, undervoltage, overcurrent, thermal faults, and short-circuits.The supervisor can also be used to provide inrush current limiting, thermal shutdown, and variable current-limit protection. The variable current limit can be programmed to provide continuous protection to the system during its start-up and run times.

Working Principle

The power supervisor uses three primary components: a comparator, an overvoltage protection circuit, and a current-limit circuit. The comparator is used to compare the system voltage to an internal reference voltage. If the system voltage exceeds the reference, the comparator will trigger the protection circuit, which will shut down the power supply. The overvoltage protection circuit monitors the system voltage and shuts it down if it reaches either an internally programmed high or low threshold. This prevents damage to the system due to excessive voltages. The current-limit circuit is used to limit the current draw from the system. This helps prevent damage from overcurrent, short-circuits, or other faults. The current limit can be programmed to suit the specific application.

Conclusion

The LTC1726IS8-2.5#TRPBF power supervisor is a fully-integrated power supervisor designed for low voltage/low power supplies. It provides excellent protection and reliability for a variety of applications. Its primary features include overvoltage protection, inrush current limiting, thermal shutdown, and current-limit protection. By understanding its application field and working principle, designers can better utilize this power supervisor to protect their system.

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