ISL6217ACV-T

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ISL6217ACV-T is a voltage regulator special purpose device designed for a range of applications. This device is ideal for industrial and automotive applications including LED lighting, automotive engine and transmission controllers, industrial motor controllers, and industrial power supplies.

This device is designed to regulate a wide range of DC voltages and is capable of withstanding temperatures up to 150°C. It operates in a voltage-mode control topology, meaning that the loop gain of the feedback network determines the output voltage. This device features multiple core technologies, including Vin-overvoltage protection, low-current shutdown, programmable blanking time, current monitor, and active EMC filtering.

ISL6217ACV-T’s working principle is based on the voltage-mode control of the circuit, with a power output stage and a feedback potentiometer. The input voltage is compared with a reference voltage by an operational amplifier. The output voltage is then regulated by adjusting the power output stage with the feedback signal until the reference voltage is matched. The feedback circuit also prevents over-voltage protection, low current shutdown, and programmable blanking time.

When the Vin-overvoltage protection is triggered, the maximum output current is reduced to avoid overloads, thus protecting the integrated circuit from damage. The low-current shutdown feature is also useful in protecting against overheating from currents and voltages. Furthermore, the programmable blanking time of the device allows users to easily adjust the duration of a cycle when a spike occurs at the output.

The current monitor feature of ISL6217ACV-T helps to prevent overcurrent in the system. It includes two voltage monitors on the input and output stages and a PWM logic circuit to detect overcurrent. The active EMC filtering feature helps improve EMI performance in both the input and output stages.

ISL6217ACV-T’s integrated features and advanced technologies makes it suitable for a wide variety of industrial and automotive applications. Its voltage-mode control, protection features, current monitor, and active EMC filtering capabilities ensure reliable and safe operation in demanding environments.

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