ISL9016IRUWCZ-T

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ISL9016IRUWCZ-T Application Field and Working Principle

The ISL9016IRUWCZ-T is a PMIC (Power Management IC) Voltage Regulator and Linear integrated circuit (IC). It is a high-efficiency regulator that provides 3.2A of continuous output current, as well as short-circuit protection, over-temperature protection, current limit and thermal shutdown.

The ISL9016IRUWCZ-T is designed to regulate the output voltage of a power supply with dropout voltage of 5.1V maximum at a load current of 3.2A. The device contains two voltage references with an adjustable output voltage of up to 7.2V. It has an integrated low-side switch and on-chip resistors to set the current limit, as well as an over-temperature protection circuit.

The ISL9016IRUWCZ-T is ideal for applications such as: personal computers, printers, set top boxes, gaming consoles, digital signage, and industrial controls. The device is also suitable for automotive applications where low voltage dropout and high efficiency are required.

Working Principle

The ISL9016IRUWCZ-T is a linear voltage regulator that works on a voltage drop principle. When the input voltage is higher than the output voltage, a voltage drop occurs across the channel. This voltage drop is dependent on the load current and the channel current. The channel current can be adjusted with an external resistor. In the case of the ISL9016IRUWCZ-T, the channel current is adjustable from 0.25A to 3.2A through an externally applied resistor.

The voltage drop across the channel causes the output voltage to be less than the input voltage. This is the main function of the voltage regulator, maintaining a steady output voltage no matter what the input voltage may be. The output voltage is generally slightly lower than the input to account for the voltage drop across the channel.

The ISL9016IRUWCZ-T also includes various protection features. It includes an adjustable over-temperature limits that shuts off the output if the device temperature exceeds the configured limit. It also contains an over-current protection feature that shuts off the output if the output current exceeds the limit set by the external resistor. Finally, it also includes a soft-start feature, which ensures that the output voltage is smoothly ramped up, avoiding any overshoot or undershoot of the voltage.

Conclusion

The ISL9016IRUWCZ-T is a linear voltage regulator which is able to provide a steady output voltage, even with variations of input voltage. It has a wide input operating voltage of 3.6V-20V, and an adjustable output voltage of 7.2V. It can provide up to 3.2A of continuous output current and has built-in protection features such as over-temperature protection and over-current protection. This makes it ideal for applications such as personal computers, home entertainment systems, and automotive applications.

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