MAX6886ETP+

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The MAX6886ETP+ is a voltage supervisor (supervision IC) from Maxim Integrated that offers adjustable reset thresholds and delay inaccuracy over a -40 °C to +85 °C temperature range. This versatile and reliable IC is suitable for various applications including microprocessors, digital signal processors, hard disk drives, and graphic accelerators.

The MAX6686ETP+ is a voltage supervisor, which is implemented as an integrated circuit that prevents a system from experiencing unexpected events by monitoring the supply voltage (VCC). It provides protection against overvoltage, undervoltage, and brownout conditions. This function is necessary since these conditions can damage the system or cause a malfunction and instability.

The MAX6686ETP+ monitors the VCCvoltage and generates a reset signal when it drops below the reset threshold. The reset signal, also known as the RESET output, is internally delayed by the RESET delay, which is programmable by an external capacitor. The maximum reset delay can be programmed from 1 ms to 500 ms. Furthermore, the IC includes a power-on reset output that remains asserted until VCC exceeds the reset threshold.

The IC also features a watchdog timer, which can be used to reset the system when the user’s software fails to execute regularly. The watchdog timer is internally clocked at 32 kHz and can be triggered by an external system event or by an internal timer. The watchdog timer has a period of 32 ms, which is sufficient for most applications.

The MAX6686ETP+ is available in the 8-pin SOIC with the packages DFN, TDFN, and DFN-EP. It operates over a -40 °C to +85 °C temperature range, giving it one of the widest working temperature ranges among similar integrated circuits. It has excellent current consumption, just 2.7 uA in active mode and 0.2 uA in standby mode. It also has a wide operating range of 0.9V to 5.5V VCC and a maximum reset delay that can be programmed from 1 ms to 500 ms.

In short, the MAX6686ETP+ is a versatile and reliable voltage supervisor (supervision IC) with excellent features and a wide temperature range that ensures reliable operation even in challenging environments. Its adjustable reset thresholds and delay inaccuracies provide flexibility for application design and compliance to industry requirements. It is suitable for a wide range of applications, including microprocessors, digital signal processors, hard disk drives and graphic accelerators.

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