MAX1747EUP+

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The MAX1747EUP+ is a special purpose power management integrated circuit (PMIC) voltage regulator for applications that require a regulated output voltage below 1V. It is specifically designed for use with ultra low-power microcontrollers. The device offers protection against overvoltage, undervoltage, overcurrent, and thermal overload, and features low quiescent current and low-dropout voltage, making it ideal for many embedded applications.

The MAX1747EUP+ has a wide input voltage range of 1.2V to 3.6V and can provide an output voltage ranging from 0.8V to 1V. Its output voltage is precisely regulated and does not require external feedback components or loop compensation components. This eliminates the need for time consuming design iterations, resulting in a compact and cost-efficient solution.

The MAX1747EUP+ is designed to operate without a heat sink, thanks to its low dropout voltage and high power output capability. It is capable of an output current of up to 60mA, with a ripple voltage of 2% (typical). The device also features an integrated watchdog timer and an overvoltage protection function, as well as a thermal protection circuity, making it ideal for use in low-power, application-specific systems.

The MAX1747EUP+’s open-loop architecture saves cost and space. This is accomplished through a unique current-mode control loop that regulates the output voltage without the need for expensive loop compensation components. The device is also designed to be very efficient, with a quiescent current (IQ) of < 1μA and a power-good input.

The MAX1747EUP+ is easy to use and provides numerous features to support its customers. For instance, the device includes a startup delay function to provide power to the system after the initial startup is completed, as well as a reverse current protection function to safeguard against voltage spikes.

The MAX1747EUP+ is the perfect PMIC voltage regulator for low-power microcontrollers and embedded systems. Its low quiescent current, high efficienct, precise voltage regulation, and integrated protection circuits make it ideal for applications where small size and power efficiency are key.

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