DS1706LESA

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When it comes to PMIC - Supervisors, the DS1706LESA is a popular option. It serves as a simple reset controller, providing users with an easy and reliable way to monitor an external power supply and maintain system integrity during power-up, power-down and transient conditions.

The DS1706LESA is an integrated voltage supervisor with latch-enabled, reset-active and reset-inactive output. It operates from a single 2.7V to 5.5V power supply, and its reset output remains active until the monitored voltage reaches the reset-active threshold, when it then transitions to the reset-inactive state and stays in that state until the monitored voltage drops below the reset-inactive threshold. It has a very stable reset threshold, and the reset timeout interval is programmable with an external capacitor.

The DS1706LESA has a wide range of applications and can be used in a variety of systems, including microcontrollers, ASICs, FPGAs, and battery-powered equipment. It is ideal for systems that require a reset controller that can react quickly to transient voltage fluctuations, as well as those operating in harsh environmental conditions such as extreme temperatures or vibration.

In addition to its use as a reset controller, the DS1706LESA can also be used as a watchdog timer to monitor system activity. This can be useful in applications where a long-term system reset is required due to inactivity or system failure. The DS1706LESA can also detect debug-mode entry or exit, and can be used to generate custom reset pulses for system initialization or software reset.

The DS1706LESA\'s working principle is based on the internal comparator. When the input voltage is above its reset-active threshold, the internal comparator produces a logic low to enable the reset output. When the input voltage drops below its reset-inactive threshold, the reset output will be set to logic high and can then remain in that state until the input voltage rises above its reset-active threshold.

The DS1706LESA also features an active low external reset pin, which can be used to apply an external reset signal to the supervisor and override any existing reset state. This can be useful in cases where the device needs to be manually reset or in situations where a hardware reset is necessary.

Overall, the DS1706LESA is a simple, reliable and low-cost solution for monitoring external power supplies and maintaining system integrity during power-up, power-down and transient conditions. Its range of applications and its programmable reset timeout make it an ideal choice for a variety of systems, and its active low reset pin provides added flexibility for resetting the device or for custom reset pulses.

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