LTC1726EMS8-5#TRPBF

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The LTC1726EMS8-5#TRPBF is a high performance Power Management IntegratedCircuit (PMIC) supervisory IC that provides a function of power sequencing, brownout detection, and reset. It is a compact IC that is readily available in a range of operating voltages from 3.0V to 3.6V, operating temperatures from -40 to 85 degree Celsius and is used in applications ranging from industrial, telecom, and medical.

The LTC1726EMS8-5#TRPBF is also used in automotive applications and is specifically designed to help protect the system from a power failure or brownout by keeping the voltage rail of the system under a certain limit. The brownout detector will identify the over voltage and trip when the specified voltage is exceeded. The programmed reset outputs helps to restart the system in the event of an over voltage condition, which makes it an ideal choice for automotive systems.

The IC also features an adjustable reset delay, only allowing the reset signal to be generated after the specified delay time. This delay function allows the system to be reset when a power failure is detected on the primary input, while allowing the device to remain operational on the secondary input by optionally disabling the reset signal. The LTC1726EMS8-5#TRPBF also offers an area-saving package and is available in a variety of chip scale packages.

The LTC1726EMS8-5#TRPBF features an innovative power sequencing and reset circuit that are used for monitoring and controlling power supply. This ensures that the system does not abruptly turn off as the power supply voltage falls below the specified voltage limit. The IC monitors, checks and controls the voltages of all the rails of the system and in the event of an over voltage, the IC generates a reset signal to restart the system. The device also supports manual reset functionality.

The working principle of this PMIC supervisor IC is to use a voltage divider and two comparators to detect the voltage drop across the terminals and trip the under voltage lockout (UVLO). The UVLO will be enabled when the voltage falls below a certain set threshold. This is monitored and compared to the reference voltage VDD (usually 3.6V). The second comparator monitors the connected power supply and when it detects that the voltage is going above the specified VDD, it will generate a reset and restart the system.

In conclusion, the LTC1726EMS8-5#TRPBF is an ideal power sequencing and sequencing supervisor for high performance industrial, telecom and medical applications. It is designed to protect the system from over voltage and brownout conditions and is available in a range of operating voltages and temperatures. The IC is also capable of providing manual reset functionality and can be used in applications with a minimum of area.

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