ISL6549HI-EVAL1

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The ISL6549HI-EVAL1 is an evaluation board for the ISL6549 overvoltage protection (OVP) and undervoltage lockout (UVLO) controller. It is a valuable tool for properly evaluating the features of the ISL6549 in a variety of different operating and application scenarios. This Evaluation board contains the high voltage integrated circuit, ISL6549HI, and the peripherals required to evaluate it. The evaluation board also contains an external linear adjustable regulator that can be used for providing adjustable voltage output.

The ISL6549HI-EVAL1 is a Dual Output DC/DC and AC/DC (Off-Line) SMPS Evaluation board. It is designed to evaluate the performance of the ISL6549HI when used with a high voltage, half-bridge topology, buck, boost, buck-boost or forward converter applications. The evaluation board can even be used for inverting and non-inverting applications. The board is configured to support dual instance, dry-dump operation and wave steerable application designs.

The ISL6549HI-EVAL1 basically utilizes the overvoltage protection and undervoltage lockout controller, ISL6549HI, with other components to provide a full scale, adjustable output DC/DC and AC/DC off-line SMPS solution. The ISL6549HI is a current mode, PWM controller that provides a fixed 2.4MHz - 4kHz switching frequency with an internal reference voltage of 2.5V. The device features adjustable and programmable overvoltage and undervoltage lockout functions, as well as an integrated protection circuit to prevent damage from device overheating.

The ISL6549HI-EVAL1 board simplifies the evaluation of the ISL6549HI device by incorporating all the required components to properly build a DC/DC and AC/DC (off-line) SMPS. The evaluation board is designed to allow the user to evaluate the device\'s operation in multiple applications. The board provides a fully adjustable output voltage and can be used with either linear or switching mode power supplies. Furthermore, the board can be used to evaluate the overvoltage, undervoltage lockout, and reverse voltage protection features of the ISL6549HI device.

In addition, the ISL6549HI-EVAL1 board can also be used to study other aspects of the ISL6549HI such as its right/left transition behavior during current limit sensing. This enables the user to decide if the ISL6549HI device meets the requirements of the application. The evaluation board can also be used to assess gate drive strength, EMI reduction, burst operation, and other important performance parameters.

Overall the ISL6549HI-EVAL1 evaluation board is an indispensable tool for evaluating dual output DC/DC and AC/DC (Off-Line) SMPS applications and provides designers a convenient platform to study the features of the ISL6549HI device in a real-world environment. This board is very helpful in designing high voltage, half-bridge topology, buck, boost, buck-boost or forward converter applications, as well as for other types of off-line applications.

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