LTC1726IS8-5#PBF

Series:	--
Packaging:	Tube
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:	3.085V, 4.675V, 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 to the LTC1726IS8-5#PBF

The LTC1726IS8-5#PBF is a voltage monitor, or supervisor, device from Linear Technology Corporation. It provides a low-power supply monitoring solution for many applications. The supervisor is designed to monitor an external supply voltage. When the external voltage falls below a defined threshold, an open-drain output, RESET, is pulled low, indicating that the supervisor is functioning correctly in its existing environment and has correctly detected the low voltage.

Application Fields

The LTC1726IS8-5#PBF supervisor is suitable for use in many different application fields. It can be used in personal computers, servers, portable devices, automotive systems, and other applications that require reliable and redundant power supply monitoring. It offers maximum flexibility by supporting two independent windows with a defined reset event that triggers below the minimum and above the maximum of each voltage window. This further enhances its reliability in providing accurate power supply monitoring.

Operating Principle

The LTC1726IS8-5#PBF supervisor circuit operates by continuously monitoring the voltage levels of an external DC supply. When the voltage of the external source falls below the preset threshold of 3.09V, the supervisor circuit will output a low active-low RESET signal. The result is that any connected circuits that require dedicated voltage monitoring of the external source can be reassured that the voltage is still above the necessary level.The reset signal generated by the LTC1726IS8-5#PBF supervisor will remain in its active-low state until the voltage of the external source is again brought above the preset threshold level. The input voltage will then be monitored continuously, and the supervisor will keep resetting the externally connected circuitry until the voltage level can again be brought to within the correct range.

Conclusion

The Linear Technology LTC1726IS8-5#PBF voltage monitor is a powerful CMOS device that is suitable for a wide range of applications, including personal computers, servers, portable devices, and automotive systems. This supervisor chip uses a low-power supply monitoring solution that continuously checks the voltage levels of an external DC supply. If the voltage falls below the preset threshold, a reset signal is output to any connected circuitry, thus ensuring that any issues or faults in the voltage supply can be quickly rectified to ensure proper functioning of the connected device.

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