ISL21090BFB812Z-TK

PMIC - Voltage Reference: ISL21090BFB812Z-TK application field and working principle

ISL21090BFB812Z-TK, the Intersil voltage reference IC family products, is a fully-integrated Voltage Reference IC (PMIC) designed for precision applications requiring superior accuracy, temperature stability, and low noise performance. It provides excellent performance in low-current applications and assist in power data conversion applications. The device is offered in an eight pin SOIC package and a five pin SOT package.

ISL21090BFB812Z-TK offers advantages for precision voltage reference applications due to its superior accuracy, low noise, temperature stability and power supply rejection ratio. The voltage reference IC is highly reliable, and it features a wide operation temperature range (up to 105°C), a low quiescent current and low drift. The device also offers a wide selection of output voltages.

Application Field

ISL21090BFB812Z-TK can be used in many different applications in precision voltage reference operations. It is commonly used in telecommunications where precise voltage readings are necessary. It is also finding use in automotive and industrial equipment to maintain stable power levels. Medical instrumentation and another power-sensitive equipment can also benefit from the superior precision achieved with the ISL21090BFB812Z-TK.

Working Principle

The ISL21090BFB812Z-TK is a voltage reference IC (PMIC) designed for precision applications. The device consists of an input operating voltage, an internal reference voltage, an amplifier and a temperature sensing element. The IC operates by taking input from the supply voltage, amplifying it and then comparing it to a reference voltage level. The IC adjusts the output voltage accordingly, thus providing a precise and accurate reference voltage.

The IC also contains an external operational amplifier (opamp). This opamp is used to compensate for any temperature variations, the device is capable of making the required output voltage adjustments in response to these fluctuations. The device also features an internal temperature sensor which helps the device to adjust the output voltage according to varying temperature.

The ISL21090BFB812Z-TK also features a low-noise operation and low power consumption, helping to ensure that there is minimal disruption of the overall system. The IC also features a wide range of output voltage settings and is capable of providing precision voltage reference outputs from 3.3V to 30V.

The ISL21090BFB812Z-TK is a powerful and efficient Voltage Reference IC (PMIC) and is suitable for a variety of precision voltage reference applications. It is reliable, low noise, and can maintain a wide range of temperature operating conditions. With it, an electronics system can maintain the most accurate reference voltage.