MAX705ESA+T

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Power management integrated circuit (PMIC) is a chip used to provide regulated power to different parts of a board. They come in many different shapes and sizes, ranging from tiny chips to large boards with multiple functions. One such PMIC is the MAX705ESA+T, capable of providing regulated power to many different applications.

The MAX705ESA+T is a Power Management Integrated Circuit (PMIC) from Maxim Integrated. It is a low power, high accuracy voltage reference for monitoring and supervising 2.5V, 3.3V, and 5.0V supplies. It is designed to protect power circuits by providing real-time monitoring and short circuit protection for overvoltage and undervoltage conditions. It also monitors the output of multiple power supplies, allowing for automatic voltage mode selection.

The MAX705ESA+T is primarily used in low power applications with its 0.3µA supply current specification. It has an accuracy of ±2% over temperature and a resistive load stability of better than 1%. The power supply supervisor has an efficient temperature compensation circuit over the -40°C to +125°C temperature range.

The MAX705ESA+T can be used in applications that require precision supervision and monitoring, such as embedded systems, microcontrollers, cell phones, and other portable devices. It has multiple type complementary output, which can detect the dynamic status of the low side supply and provide pulsed warning signals. The output can be found in different configurations, including active-low manual reset (MR), active-low pushbutton reset (PBR), power-on reset (POR) and power-good (PG).

The working principle of MAX705ESA+T is simple. It measures the input voltage and compares it against a reference voltage. If the input voltage falls below the reference voltage, an output signal is generated and the voltage is regulated. The regulated voltage is also monitored and if it falls below the reference voltage, it is shut off and the output signal is sent. This allows for protection against over-voltage, under-voltage and over-temperature conditions.

The MAX705ESA+T is a versatile PMIC that can be used in many applications. Its low current consumption and temperature compensation makes it suitable for many portable devices. Its multiple reset and power good outputs give it excellent protection against over-voltage and over-temperature conditions. Its versatile monitoring options make it ideal for embedded systems, microcontrollers, cell phones, and other applications.

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