ISL6248ACRZ-T

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ISL6248ACRZ-T Application Field and Working Principle

ISL6248 ACRZ-T is an integrated circuit developed by Intersil Corporation, a leading designer and manufacturer of advanced digital and analog integrated circuits. This device is an isolated, high power, wide input voltage range DC/DC controller, specifically designed for high isolation, high efficiency and small form-factor applications. It is ideal for use in a variety of power topologies, such as isolated forward converter, isolated flyback converter and active clamp forward converter. This device is typically used in the following applications: audio power amplifiers, LED lighting, motor drives and automotive electronics.

The ISL6248ACRZ-T is a high voltage, high frequency, low voltage (HVHF/LV) DC-DC controller with an integrated single-channel high/low side power switch capable of delivering load currents up to 8A. It provides excellent primary-side control with an integrated high voltage current sense amplifier, precise error amplifier, adjustable two-level overcurrent protection, adjustable two-level over-current protection and adjustable slope compensation. It can be used with a variety of output topologies, including isolated forward converter, isolated flyback converter, active clamp forward converter, cascode forward and other custom topologies.

The ISL6248ACRZ-T has a wide input voltage range from 6V to 75V, making it ideal for high voltage industrial applications. It features an internal dead-time adjustment, which allows for a precise adjustment of the primary side on- and off-time, resulting in improved performance and efficiency. It also features adjustable loop compensation, allowing the user to customize the operational parameters for a particular application. The device also features onboard protection, such as over-voltage protection, over-temperature protection, overcurrent protection and short circuit protection.

The ISL6248ACRZ-T also features a wide operating frequency range, allowing it to be used in both high and low frequency applications. The operating frequency range is adjustable from 200kHz to 240kHz by an external resistor. Additionally, the device provides a high output voltage accuracy of 1%.

The working principle of the ISL6248ACRZ-T is relatively simple. It senses the incoming voltage, and then adjusts the voltage output to maintain a constant volumetric output. In addition, the device also monitors the current and temperature, and adjusts the voltage output as needed in response.

In summary, the ISL6248ACRZ-T is an integrated circuit designed for applications requiring high efficiency and isolation. By providing adjustable slope compensation, adjustable dead-time and adjustable loop compensation, users have the ability to customize the operation of the device for the best performance possible. Additionally, the device features robust protection to prevent over-voltage, over-temperature, over-current and short circuit conditions.

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