X40421S14-B

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Part Status:	Obsolete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:	Adjustable/Selectable
Voltage - Threshold:	2.6V, 4.6V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Base Part Number:	X40421

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Introduction The X40421S14-B is a supervisor IC (Integrated Circuit) designed and manufactured by Xicor, a subsidiary of Intersil Corporation. It is a high-performance, low-power management and protection IC, specifically designed to monitor and protect battery-backed systems and to provide reliable, accurate, and safe power supply to the system. The IC can be used in wide range of applications such as medical, industrial, and consumer applications.FeaturesThe X40421S14-B is designed for low-power, high-frequency operation and features an accurate voltage threshold that can be adjusted as needed. It supports both positive and negative battery-sensing range and is protected against ESD (electrostatic discharge) up to ±8kV. It also has an adjustable reset monitor and power good output monitor. The IC supports both single-signal and dual-signal reset monitoring, and it has an adjustable reset delay timer that can be set from 0.5 to 4.5 seconds. Additionally, the IC is capable of providing up to 8 watts of power under full load.Application Field and Working PrincipleThe X40421S14-B is well-suited for battery-backed systems and can be used to protect the system from over-current and under-voltage conditions. It can also be used in systems that require reliable and accurate power-good or reset signals. Its key characteristics include accurate voltage threshold, adjustable reset monitor, adjustable power good output monitor, and adjustable reset delay timer that help improve the reliability and accuracy of the system.The X40421S14-B uses a supervisor IC architecture to ensure that the system functions in a reliable and accurate way. It uses two core components: a transistor and a comparator. The transistor is responsible for automatically resetting the system when the voltage drops below a preset threshold, while the comparator monitors the voltage supply and generates an externally accessible reset signal as needed. Furthermore, the adjustable reset delay timer is also controlled by the comparator, and it ensures that enough time is given for the system to stabilize before resetting.Conclusion The X40421S14-B is an efficient and reliable supervisor IC specifically designed to monitor and protect battery-backed systems and to provide reliable, accurate, and safe power supply. It has an adjustable reset delay timer that ensures that the system is given enough time to stabilize before resetting and an adjustable power good output monitor that helps improve the system\'s accuracy and reliability. It can also be used in medical, industrial, and consumer applications and is protected against ESD up to ±8kV.

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