ISL9014AIRJBZ

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ISL9014AIRJBZ Application Field and Working Principle

ISL9014AIRJBZ, categorized as a PMIC (Power Management Integrated Circuit) under Voltage Regulators and Linear, is a 4-pin device designed to provide a precision fixed output voltage with very thin SOT23 packages and low quiescent current.

It is mainly used in low voltage and extreme power saving applications, like performance-and-power-sensitive applications. It has a wide input voltage range of 2.1V to 5.5V, and a fixed output voltage range of 3.3V/2.5V/1.8V/1.5V/1.2V/1.0V/0.8V/0.6V. It has a quiescent current of 20uA at VO=3.3V and 12uA at VO=1.8V. Moreover, it provides a very low dropout voltage of 195mV at a load current of 30mA.

The ISL9014AIRJBZ has several properties which make it an ideal choice for applications with limited power budget, such as PDA, DSC, PMP, cellular phones, tablet PCs and LED lighting systems. It has a ultra-low quiescent current, 2% accuracy over-temperature accuracy and good thermal performance. This allows the IC to provide power with excellent efficiency in a cost-efficient way.

The following section explains the working principle of the ISL9014AIRJBZ. On the input side, the IC has a voltage regulator which is responsible for regulating the input voltage within a small range. This input can be generated from any power source, be it AC, DC, or battery. The voltage regulator then passes this input voltage to the output side of the IC, where the voltage is regulated to the desired regulated output voltage. The main function of the output side is to provide a constant output voltage over any variation in input voltage. The output voltage is regulated by an error amplifier and a low-dropout pass transistor. The error amplifier senses the output voltage and compares it to the reference voltage, and then adjusts the current through the pass transistor. This, in turn, adjusts the output voltage to the reference voltage level.

The ISL9014AIRJBZ provides a wide range of features for precise voltage regulation. It has a high accuracy over-temperature accuracy, low noise, a low quiescent current, and a very low dropout voltage. The IC is also capable of providing low output and ground currents, which further enhances its energy efficiency. The device is also extremely reliable, with a guaranteed operation upto 150°C junction temperature, and long many years of operation.

In conclusion, the ISL9014AIRJBZ is a very efficient and reliable PMIC of the Voltage Regulators and Linear category. It is suitable for any low voltage and extreme power saving applications, and offers many benefits such as high accuracy over-temperature accuracy, very low noise, and low quiescent current consumption. Its low dropout voltage and extremely low output current makes it an ideal choice for any application where power saving is of the utmost importance.

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