ISL6556BCR-T

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The ISL6556BCR-T is a special purpose voltage regulator. It is designed to provide high current and fast regulation, and helps protect connected load devices against over voltage and under voltage. This voltage regulator is ideal for applications in the industrial, medical, and commercial sectors.

The ISL6556BCR-T is a closed loop voltage regulator that automatically adjusts its output voltage to maintain a constant, steady output. It is capable of controlling multiple output voltages and features current limiting, overload protection, overvoltage protection, and undervoltage protection. The voltage regulator also has an adjustable output voltage range of 0.3 to 4.1 V and an adjustable current limit of 0.03 to 6 A.

The ISL6556BCR-T is a versatile voltage regulator and can be used for a variety of applications, such as LED drivers, PC/AV system UPS, battery management systems, automotive equipment, and appliance and industrial power supplies. It also has optimal thermal performance due to its Multi-Phase Digital Control Loop (MDCL) which allows it to reduce power consumption and minimize power dissipation.

The ISL6556BCR-T has several features that help make it an effective voltage regulator. It has an internal 3-terminal voltage reference, a low-side MOSFET overcurrent preventing circuit, a hysteretic current limiting circuit and secondary overvoltage protection. The OC circuit ensures low-side MOSFET is not over current and the voltage reference resists line and load variations.

The working principle of the ISL6556BCR-T is based on an analog comparator. An input voltage (Vin) is sent through a voltage adjustment circuit and compared with user-defined Vref. If Vin is higher than Vref, the output voltage is regulated by the inner voltage setting circuit. It also makes use of a feed-forward circuit, which ensures that the output voltage follows the input voltage according to the resistive voltage divider.

In summary, the ISL6556BCR-T is a special purpose voltage regulator that is ideally suited for a variety of industrial, medical, and commercial applications. It provides high current and fast regulation, and offers a wide range of current and voltage protection options. The voltage regulator also makes use of an analog comparator and a feed-forward circuit to ensure output voltage is always at an acceptable level.

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