ZXRE125DRSTZ

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PMIC - Voltage Reference is a type of integrated circuit which has the ability to sustain a stable electric power supply even if the voltage may vary externally. ZXRE125DRSTZ is a low-dropout, on-/off-chip reference voltage source which is designed for applications needed low shutdown current and reliable operation with respect to temperature variations and input voltage. It delivers an extremely low output voltage noise and features an internal power supply rejections of 89dB.

The ZXRE125DRSTZ has two pins that take in voltage. Pin 1 is responsible for the positive voltage, and Pin 2 is responsible for the negative voltage in order to make sure that the output stays constant and stable. It also has a flexible input voltage range between 1.8V and 5.5V and an output voltage of 1.2V with a tolerance of up to ±5%.

This type of integrated circuit is commonly used for cell phones, PDAs, portable media players, and laptop computers. Its low drop-out voltage provides a stable voltage output for operating these kinds of devices. It helps to improve the battery life of the device because of its steady off- state current and no-load protection feature. In terms of pricing, the ZXRE125DRSTZ is relatively cheap and thus makes it a viable option for those looking for cost-effective product solutions.

The working principle of ZXRE125DRSTZ is to maintain a constant output voltage no matter what the input voltage may be. This is done by using a difference amplifier with a feedback loop. The output voltage is proportional to the input voltage in the error amp and the voltage is compared with a predetermined voltage setting in an internal zener diode. The amount of current flowing through the zener diode and the external components of the circuit will determine the error amplifier output and thus the output voltage.

The ZXRE125DRSTZ also features a low current shutdown mode which allows the circuit to maintain a very low current level and helps to conserve energy whenever the device is not in use. This feature makes the ZXRE125DRSTZ a great choice for those looking to reduce energy consumption in their device.

In conclusion, the ZXRE125DRSTZ is a low-dropout, on-/off-chip voltage reference IC that is designed for applications needing low startup current and stable behavior with respect to temperature variations. It is commonly used for cell phones, PDAs, portable media players, and laptop computers. Its working principle is to maintain a constant output voltage no matter what the input voltage is by using an error amplifier and a zener diode. It also features a low current shutdown mode, which reduces energy consumption while the device is not in use.

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