CAT1027LI-25-G

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	130 ms Minimum
Voltage - Threshold:	2.55V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-PDIP
Base Part Number:	CAT1027

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CAT1027LI-25-G is an advanced PMIC supervisor designed to provide multi-voltage system power. This high-performance device is capable of supervising various power-on and power off sequences while at the same time maintaining a low quiescent current. With its wide operating range and its high peak current overshoot capability, it makes an ideal component for next-generation microcontroller-based systems.The CAT1027LI-25-G uses the proprietary Li-Series multi-voltage switching regulators. This advanced PMIC supervisor is tailored for applications which require higher levels of power-on/off sequencing reliability and accuracy. The supervisor integrates power-on reset (POR), power-on clock control (CC) and initial system configuration functions into a single component. The power-on reset (POR) function of the CAT1027LI-25-G supervisor ensures that the system is in an initial safe state when coming out of power-on reset. It monitors the input supply voltage and asserts a reset signal to the system if the supply voltage drops below a certain threshold. The power-on clock control (CC) functionality allows the user to easily customize the clock\'s start-up speed and duration. The CAT1027LI-25-G also provides an initial system configuration mode to set various parameters during startup.The CAT1027LI-25-G operates from a supply voltage range of 1.5 V to 5.5 V. It is an ideal supervisor for microcontroller-based applications since it is able to provide a full power failover sequence. The supervisor features high peak current overshoot capabilities for both active and sleep mode, allowing for better power-on/off sequencing. The low quiescent current requirement is beneficial to power-hungry applications, as it significantly reduces current consumption.In addition to its power-on/off monitoring capabilities, the supervisor also provides a range of integrated protection features. This includes input supply Brown-Out protection, Over-Voltage protection, and Watchdog Timer functions. These protection features help guard against system corruption, providing a secure platform for applications even in the face of untrusted input supplies.Overall, the CAT1027LI-25-G is an advanced PMIC supervisor designed to provide up to five rails of power for microcontroller-based systems. With its features of power-on reset, clock control, and initial system configuration, the CAT1027LI-25-G is an ideal choice for applications which require the utmost reliability and accuracy in power-on/off sequencing.

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