MIC5317-1.2YD5-T5

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The MIC5317-1.2YD5-T5 is a great choice of micropower Linear Voltage Regulator, which belongs to the power management integrated circuit (PMIC) family that have the ability to ensure a continuous and stable power supply to your projects. It is a very small size, single-output, ultra-low quiescent current voltage regulator that is designed to be suitable for low-power, battery-powered applications as low as 1.2V.

The MIC5317-1.2YD5-T5 offers exceptional low quiescent current and high power supply rejection ratio (PSRR) features that makes it capable of providing stable power supply for a wide range of loads, from microamps to hundreds of milliamps. The device comes with an enable pin for power save mode, enabling the system to lower the current consumption and extend the battery life. The enable pin is also provided with a timeout feature that enhances the leakage efficiency in shutdown mode, thus resulting in lower battery wastage.

The MIC5317-1.2YD5-T5 is specified to have an output current of up to 500mA and has the ability to maintain a stable output voltage within the specified tolerance range of ±0.3V. It offers superior ripple rejection with a PSRR of up to 100dB, which is ideal for powering sensitive electrical and digital circuits. The device also has an output capacitor less architecture that helps to reduce layout area, thus allowing for flexible design layout and flexibility.

The MIC5317-1.2YD5-T5 application fields include consumer products, such as portable media players, portable gaming systems, digital cameras and camcorders, notebook PCs, and other battery powered devices. It is also used in industrial applications such as computer systems, data processing systems, industrial automation and control systems, embedded systems, instrumentation and mechatronics applications. Furthermore, the device is well suited for powering low-power embedded microcontrollers, DSPs and FPGAs.

The working principle of the MIC5317-1.2YD5-T5 is based on an internally controlled voltage reference that is adjusted to give a precise output voltage. The reference voltage is compared with the feedback voltage, and the error amplifier adjusts the output voltage accordingly to ensure a stable output. The output current is then sourced or sunk via a pass transistor, while the voltage drop across the pass transistor is swept continuously to maintain the output voltage within the tolerance range.

In short, the MIC5317-1.2YD5-T5 is a great choice of micropower voltage regulator for power hungry applications. It provides exceptional low quiescent current and high PSRR for superior efficiency and power supply stability. The device is suitable for a wide range of consumer and industrial applications and comes with built-in features to help conserve power, such as the enable pin and output capacitor less architecture. Its simplicity in design saves on valuable layout area, making it an ideal choice for small space projects.

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