ISL21009BFB825Z

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ISL21009BFB825Z is a voltage reference from Intersil, a leading supplier of advanced power management, precision analog and mixed signal integrated circuit solutions. It belongs to PMIC, or Power Management IC, which is a type of integrated circuit that provides power management for portable and embedded systems. ISL21009BFB825Z is a precision voltage reference designed for extreme low load current and tight line calibration accuracy. It is capable of providing both simple and complex voltage reference control solutions.

The main application field of ISL21009BFB825Z is in industrial and automotive power systems, such as portables, utility meters, and battery powered applications. It can also be used in data acquisition systems and PC power systems. It is a very cost effective voltage reference solution for many different applications.

The voltage reference of ISL21009BFB825Z is configurable through a resistor divider network, allowing the user to select different voltage references. The voltage stability is excellent over the line and load variation as well as temperature range. The reference output has excellent line regulation with a guaranteed initial accuracy of 1.3 mV and a guaranteed temperature stability of 0.2mV/°C.

The main working principle of ISL21009BFB825Z is the automatic control of the reference voltage. The reference voltage is usually adjusted by the user via a resistor divider network, which is connected to two of the control pins. When the voltage on one of the control pins is greater than the other one, the reference voltage of ISL21009BFB825Z will vary accordingly. Additionally, when the reference voltage varies, the current is also automatically adjusted to maintain accurate voltage reference. This makes ISL21009BFB825Z an ideal Voltage Reference for applications requiring good accuracy and stability over line and temperature variation.

In conclusion, ISL21009BFB825Z belongs to PMIC - Voltage Reference family. It is an excellent and cost effective voltage reference solution for many different applications. It has excellent line regulation, temperature stability, and current regulation. Furthermore, it is easy to set up and adjust, allowing the user to select different voltage reference levels.

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