S-80836CNY-B2-U

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The S-80836CNY-B2-U is a low voltage shift supervisor from Sanken, an industry leader in PMIC options. The device is a one-time programmable shift supervisor that can be used for the prevention of an unexpected shift in Vin (input voltage) on an electronic system that may cause a malfunction. The device is available in a space-saving 8-pin SOIC (Small Outline Integrated Circuit) package that provides both good electrical and mechanical strength as well as good environmental reliability.

The S-80836CNY-B2-U has a wide operating temperature range from -40°C to 125°C, giving it the flexibility to operate in a wide variety of environments. It has an operating voltage range from 4.5V to 7.0V, a supply current of 5µA, and a reset output detection voltage of 2V with a hysteresis of 0.1V. The device also has a low reset output voltage of 0V, allowing it to switch between a low and high logic level within a flexible voltage range.

In terms of application field and working principle, the S-80836CNY-B2-U PMIC serves as a supervisor in electronic systems. It is used to prevent unexpected shifts in Vin, i.e., the system’s input voltage. As the voltage shifts, the device’s output will switch between a low and high logic level to ensure output stability. Meanwhile, the supervisor monitors reset threshold voltage and if the voltage reaches a predetermined point, it will pull its output pin (RESET) low to provide a reset signal.

The device also provides an internal start-up circuit to ensure proper output voltage levels after power-up. When the input voltage exceeds the reset threshold, the supervisor’s reset output will remain in the high-state until the input voltage is restored to the proper level. This ensures that the voltage shift is caught before it causes any damage to the system and that the supervisor will pull the RESET pin low before the system enters the critical state.

Overall, the S-80836CNY-B2-U PMIC is a reliable shift supervisor that can be used in a wide variety of applications. Its wide operating temperature range, low supply current, and reset output detection voltage with hysteresis make it a great choice for applications that require voltage stability. Furthermore, its start-up circuit is helpful in ensuring that the device is able to provide protection against unexpected voltage shifts even after power-up.

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