MAX6865UK45D3L+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	150 ms Minimum
Voltage - Threshold:	4.5V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	MAX6865

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MAX6865UK45D3L+T is categorized as PMIC - Supervisors among the various power management ICs. It is a device that offers system power management solutions and provides various protections. It incorporates a voltage supervisor circuit, dual output switch-mode regulator, adjustible reset timer and a powerful integrated circuit (IC) for power fail, low battery and overvoltage monitoring.The main application field of MAX6865UK45D3L+T is for notebook PCs, PDAs and other battery operated products. This device can easily be used as a complete power supply solution for embedded microprocessor systems and it provides a flexible, cost-effective and accurate timing and voltage monitoring solutions.The working principle of this device is that it monitors for and detects voltage faults in the power supply. When the monitored signal goes below the lower programmed threshold limit, MAX6865UK45D3L+T will assert an active low Supply Status Output signal (SSO). If the monitored signal goes above the upper programmed threshold limit, it will assert an active high SSO signal. The device is configured with such thresholds and alarms to ensure system reliability and stability.In addition, MAX6865UK45D3L+T has a built-in 0.5 millisecond adjustable reset timer which is used to delay a reset signal output on the SSO pin. The reset timer helps system to turn off the microprocessor or other electronic circuits in a controlled manner. The time delay of the reset timer can be adjusted from 0 microseconds to 4.096 seconds. This helps the system designer to set a specific reset timer delay per application requirement.Apart from the reset timer, MAX6865UK45D3L+T also has an integrated power fail, low battery and overvoltage monitoring circuit. This monitoring circuit helps the system designer to specify different threshold levels for a power fail, low battery and overvoltage conditions. When any one of these conditions occurs, MAX6865UK45D3L+T will assert an active low SSO signal to help the system turn off the microprocessor or other electronic circuits in a controlled manner.Finally, the device has a wide operating temperature range of - 40C to + 85C, making it suitable for use in a variety of applications. In addition, MAX6865UK45D3L+T has a low operating current of 2.5 uA, making it ideal for power management ICs. It also integrates eFuse – programmable OVLO and a watchdog timer, making it a versatile IC for power management.In conclusion, the MAX6865UK45D3L+T is the perfect IC for system power management solutions. The integrated voltage supervisor circuit, dual output switch-mode regulator, adjustable reset timer and power fail, low battery and overvoltage monitoring circuits make it a cost-effective and reliable solution for embedded microprocessor systems. It has a wide operating temperature range, low operating current and various integrated protections, making it suitable for use in various applications.

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