MAX813LEPA+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.65V
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:	MAX813

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Introduction

MAX813LEPA+ is a low-cost and low-power supervisor IC from Maxim Integrated, designed specifically to provide power-on reset, brown-out reset, and system-level voltage monitoring to a variety of applications ranging from general-purpose and embedded systems to communication and portable electronics. By providing protection, the MAX813LEPA+ ensures that the system functions properly and creates a reliable platform for the system’s operations.

Application Field

The MAX813LEPA+ gives designers a wide range of industrial, consumer and portable applications in a single package, making it one of the most widely Cross-Industry used in dynamic power management solutions over the past decade. The application field of the MAX813LEPA+ is mainly due to its low-power operation and its ability to detect low supply voltages, protecting the system from power disturbances or brown-out conditions.The MAX813LEPA+ can be found in a variety of devices such as cell phones, MP3 players, digital cameras, LCD/LED displays, digital signage, routers and other communications systems, industrial and factory automation equipment, high-frequency radio transceivers, automotive and electrical circuits, GPS transceivers, temperature sensors, and even in satellite TV receivers.

Working Principle

The MAX813LEPA+ is capable of detecting both high and low voltages, providing protection to the system by restarting it when necessary. As the device detects excessive voltage drops or over voltage levels, it triggers a power-on reset (POR) or a brown-out reset (BOR). This device also features a low-power Oscillator circuit, which allows the MAX813LEPA+ to monitor the system operating voltage and detect any irregularity in the voltage input over a certain period of time.In order to provide a reliable reset, the MAX813LEPA+ uses a hysteresis circuit, which eliminates the false reset pulses that can be generated by any small voltage fluctuations or noise. When the reset is triggered, the MAX813LEPA+ will reset the supply voltage levels to their initial state and then perform a reset sequence. This reset sequence ensures that the device always returns to its default operating state and helps in increasing the system’s overall reliability.The MAX813LEPA+ also features an active monitor mode that can be used to monitor the output voltage, allowing designers to identify any voltage inefficiencies that could cause a system malfunction. The active monitor mode also allows the MAX813LEPA+ to quickly detect any over- or under-voltage conditions.The MAX813LEPA+ also features a voltage window detector that can be used to set minimum and maximum levels for the output voltage. The detector can be used to detect any level outside the specified ranges, providing instant notification to the system. This feature can be used to detect any abnormal voltage conditions, allowing designers to take corrective steps before any system damage is done.

Conclusion

The MAX813LEPA+ is a versatile and cost-effective device offering reliable protection and power monitoring. Its low-power operation and wide range of applications make it an ideal choice for any system that requires safe and reliable power management. The device’s sophisticated features, combined with its low cost, make it one of the most popular voltage supervisors in the market today.

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