LTC2909CTS8-2.5#TRMPBF

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PMIC (Power Management IC) Supervisors, also called Voltage Supervisors, are ICs (Integrated Circuits) that offer very precise voltage level monitoring and provide fail-safe. They are used to guarantee reliable operation of devices and to prevent functionality issues. A supervisor is used to detect potential power problems, including over-voltage, under-voltage and transients, and to ensure a stable system.The LTC2909CTS8-2.5#TRMPBF is a low-cost precision voltage supervisor IC that provides an accurate output with a 1.5% accuracy. With an over-temperature overtemperature pin-fault or, an under-voltage fault or a power supply rail monitoring, it offers superior performance. The IC operates over the temperature range of -40°C to 85°C and provides an active-low POWER GOOD output to indicate a failed supply voltage or a voltage droop.The LTC2909CTS8-2.5#TRMPBF application field includes a wide range of areas, such as automotive, industrial, medical and consumer applications. It is particularly suited for micro-controller based systems, where a reliable and accurate voltage supervision is required.The working principle of the LTC2909CTS8-2.5#TRMPBF is relatively simple. The device operates in two modes - the normal operation and the power-fault mode. In the normal operation, it monitors the voltage at the power supply input and produces a logic LOW power-good signal. If the voltage exceeds the setpoint, the internal circuitry turns off the power good signal, indicating an over-voltage or an under-voltage fault. Once the excessive voltage has been corrected, the device goes back to normal mode.Furthermore, the LTC2909CTS8-2.5#TRMPBF features an extra delay time before outputting the power-good signal. This ensures the regulator has enough time to stabilize the voltage and allow the device to switch to it\'s normal operation state, preventing any false readings.Thus, the LTC2909CTS8-2.5#TRMPBF is ideal for cost-sensitive applications, providing precise voltage monitoring with a fast response time. The low power consumption and the low power-on time keeps energy loss to a minimum and makes it ideal for battery operated systems. With it\'s wide operating temperature range and accurate output, this voltage supervisor IC is an excellent choice for reliably controlling power supplies.

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