CAT1022LI-25-G

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	130 ms Minimum
Voltage - Threshold:	2.55V
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:	CAT1022

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Introduction

The CAT1022LI-25-G, or \'L-25-G\', is a programmable, multivoltage supervisor module. It is a specialized IC designed to monitor and regulate the operation of Programmable Logic Controllers and other types of digital circuits. L-25-G, which is made by Catalyst Semiconductor, Inc., was designed to meet the needs of customers who require reliable, high-performance applications in safety-critical industries, including aerospace, automotive, railway and industrial control applications.

Application Field

The CAT1022LI-25-G is primarily used in applications where precise, fault-tolerant operation is absolutely essential, for example in the aerospace and automotive industries. The L-25-G is highly suitable for situations in which safety-critical operations must be monitored and regulated accurately and reliably. Examples include power control systems, HVAC systems, engine and drivetrain control systems, and elevator control systems.The L-25-G is also suitable for applications in which multiple power supplies are required. It monitors and regulates the voltage of these supplies with great precision, providing reliable, fault-tolerant operation.

Performance

The L-25-G is capable of monitoring and regulating up to four different supply voltages, and provides adjustable delay time settings for each voltage supply. It is capable of providing a speed of up to 2 million instructions per second (MIPS). The L-25-G is also highly reliable, with a mean-time-to-failure (MTTF) of over 600 million hours.

Working Principle

The working principle of the CAT1022LI-25-G is based on the idea of \'Supervisor\' mode. The L-25-G supervises each of the four supplies by monitoring their voltage and activating an output signal if it falls below a preset voltage. The output signal can then be used to shut down the relevant supply voltage and prevent damage to the system. The L-25-G is designed with a wide range of adjustable parameters, including adjustable delays and thresholds, as well as a variety of reset modes. It also features a built-in analog-to-digital converter (ADC) which can be used to monitor additional signals.

Conclusion

The CAT1022LI-25-G is a specialized IC designed to provide robust, reliable safety-critical operation in a wide range of applications. It is suitable for applications where multiple power supplies are monitored and regulated, as well as for situations where precision, fault-tolerance, and reliability are paramount. The L-25-G is a powerful and reliable supervisor IC, capable of providing adjustable delays and thresholds, as well as a wide range of reset modes.

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