MIC5317-1.0YMT-TZ

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MIC5317-1.0YMT-TZ Application Field and Working Principle

The MIC5317-1.0YMT-TZ is a high-speed, low-power linear voltage regulator within Microchip’s E²CMOS™ family of voltage regulators designed to provide high performance, low dropout and wide output voltage range. It is a flexible, user-configurable device that can be easily programmed to provide custom input and output voltage ranges, as well as special protection features, for a multitude of applications.

Application Field

The MIC5317-1.0YMT-TZ is ideal for many portable and low-power applications such as mobile phones, PDAs, digital cameras, video recorders, personal organizers, digital audio players, radio equipment, computers and peripherals, disk drives and other applications.

The MIC5317-1.0YMT-TZ also incorporates an adjustable output voltage allowing user programmable input/output voltage ranges up to 1.8V. This makes it ideal for many low-power applications such as microprocessors, ASICs, LEDs, field programmable logic arrays (FPLAs), component-level board debuggers, backlight illumination, and many other applications.

In addition, the MIC5317-1.0YMT-TZ features an integrated precision low-dropout regulator (LDO) and an adjustable low-dropout voltage monitor (PWMLDO). This makes it an ideal solution for portable, battery-powered systems where efficient operation and a wide input-voltage range are essential.

Working Principle

The MIC5317-1.0YMT-TZ is a monolithic, high-speed, low-power integrated circuit designed to provide a regulated output voltage. It offers a wide input voltage and output voltage range as well as low output voltage ripple and quiescent current. It uses an internal P-channel MOSFET as the power switch and an integrated low-noise, low-dropout regulator.

The device can be programmed to provide the required output voltage via an external resistor and the internal error amplifier. The internal P-channel MOSFET is then used to regulate the output voltage. The low-dropout voltage of the regulator is adjustable and can be set as low as 0.5V using an external resistor.

The MIC5317-1.0YMT-TZ also includes an integrated low-dropout voltage monitor (PWMLDO) to provide the user with a safety measure for the input voltage. It monitors the input voltage and if it drops below the programmed threshold, it will shut down the system. This ensures that the output voltage is always within a safe range.

In summary, the MIC5317-1.0YMT-TZ is a monolithic, high-speed, low-power linear voltage regulator designed to provide a regulated output voltage with a wide input and output voltage range, low output voltage ripple, low quiescent current, an adjustable output voltage and an adjustable low-dropout voltage monitor. This makes it an ideal solution for many portable and low-power applications.

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