MAX15031ATE+

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The MAX15031ATE+ is a special purpose voltage regulator that delivers an adjustable, low-dropout output voltage to system peripherals. It is designed for portable, battery-powered devices that require an adjustable output voltage, and the maximum input voltage to be lower than the output. The device has an adjustable output voltage range of 0.6 V to 4.95 V, with a programmable voltage accuracy of ±1.5%. It supports a wide input voltage range of 0.9 V to 12 V, with load currents as high as 350 mA.

The MAX15031ATE+ is designed to provide a regulated voltage output while maintaining full load current capability at all output voltages. It utilizes an active power-transfer switch technology to monitor the input voltage and optimize the dropout voltage, allowing it to efficiently regulate a constant output voltage. Since the voltage drop increases with current and the output voltage decreases as the input voltage drops, the device compensates for varying input and load conditions, providing a stable output voltage. The device also features a low-noise linear regulator to ensure a quiet, low-ripple voltage.

The MAX15031ATE+ also comes with several features which make it ideal for portable applications. It has a low quiescent current of 2.4 µA and a low operating current of 7.8 µA typical. It is also thermally protected with multiple thermal cutoffs, making the device actually quite safe to use, even in the most demanding conditions. Additionally, it has an integrated undervoltage lockouts (UVLO) feature that prevents the device from supplying too much current when the input voltage is below the minimum operational limit. This ensures stability and improved safety when used in portable devices operated on battery power.

In terms of its application fields, the MAX15031ATE+ is ideal for powering peripherals, such as sensors, touch controllers and peripherals operating at low voltages in portable, battery-powered applications. Its low quiescent and operating currents as well as its built-in UVLO provide a reliable and power-efficient solution in these applications. In addition, it is suitable for powering a range of devices such as digital radios, cellphones, PDAs, digital cameras, and handheld meters.

In conclusion, the MAX15031ATE+ is a versatile and power-efficient voltage regulator that is ideal for powering a wide range of peripherals in portable applications. It boasts a wide input voltage range of 0.9 V to 12 V, a wide output voltage range of 0.6 V to 4.95 V, and a programmable voltage accuracy of ±1.5%. With its low quiescent current, low operating current, and UVLO feature, it ensures robust and reliable performance even in the most demanding conditions. As such, it is an ideal platform for powering peripherals in portable, battery-powered devices.

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