ZR40401R25STOB

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Voltage reference is the basic and important component in power management integrated circuit (PMIC), which helps keep the output voltage of the specific device stable and within the expected voltage range. In this context, ZR40401R25STOB voltage reference has been recently developed and put on the market. It is mainly used in system-level power supply, microprocessor for its accuracy, low power consumption and large power output capability.

The working principle of ZR40401R25STOB voltage reference is as follows. It contains a voltage reference circuit and a voltage reference comparer. The voltage reference circuit is composed of a precision reference transistor, a resistor divider, an operational amplifier and a voltage-current converter. The voltage reference comparer is a comparator which is powered by the reference voltage.

When the power supply voltage drops, the operational amplifier will compare the difference between the reference voltage and the voltage on its input terminal, and at the same time, the voltage-current converter will feed a current into the resistor divider. The resulting current is then fed back to the reference transistor and the amplifier, thus maintaining the output voltage of the reference circuit at a specified value within a certain voltage range.

In addition, ZR40401R25STOB voltage reference is capable of detecting any abnormality in the power supply voltage and provides a stable voltage reference output regardless of the load current changes. Moreover, it also has a fast response time, which allows the system to quickly correct its output voltage if the power supply voltage changes unexpectedly. With these advantages, ZR40401R25STOB voltage reference can be widely used in consumer applications, such as digital television and satellite receivers, mobile phones, and digital cameras.

In conclusion, ZR40401R25STOB voltage reference is a highly reliable and efficient device for power management integrated circuit, it accurately holds the power supply voltage at a preset reference level, and provides a stable voltage reference output regardless of the load current and environment. Thus, it is a perfect choice for consumer applications where low power consumption, accuracy, and high power output capability are desired features.

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