ISL68200IRZ

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The ISL68200IRZ is a monolithic integrated circuit (IC) part of the DC-DC switching controller family. This device is designed to provide power supply designs with multiple outputregulation and optimal performance. The ISL68200IRZ is compatible with various topologies like buck, SEPIC, flyback, phase-shift and zero voltage switch-mode power supplies. It is offered in a space-saving 8 Pin WSON package and features monitoring, diagnostics, protection and fault detection functions that ensure system reliability and safety.

The application field of ISL68200IRZ can be extended to Battery Charging, DC-DC Bus Voltage Regulation and AC/DC Offline Bus Regulation. It supports the seamless integration of multiple output voltage systems. It is suited for the Output Voltage Sink Mode-to-Source Stage for Bus Dynamics. As for the operating conditions, it works best with an input operating range of 2.5V to 28V and an output voltage range of 0.8V to 5V. It also has a maximum operating current of 200mA.

The working principle of the ISL68200IRZ is based on an asynchronous voltage-mode control topology, with extensible current-mode control. Its voltage-mode control allows for minimum noise and optimal operation, while the current-mode control enables robustness and improved transient responses. The ISL68200IRZ also features external compensation, which eliminates the need to manually optimize each operating point. The device’s output voltage accuracy is regulated to +–2.5%, eliminating the need for elaborate calibration. To ensure high accuracy and stability, the output voltage can be trimmed via external resistors.

The ISL68200IRZ supports many protections like load-fault and short-circuit protections, over-current protection, output soft start, over-voltage protection and temperature protection. The device also features temperature monitoring, including an internal temperature sensing circuit with an output signal for temperature sensing. Additionally, the device integrates system diagnostics and monitoring functions like the Remote On/Off Control, Margin Control and Margin Error Status Signals.

In summary, the ISL68200IRZ is an extremely effective, space-saving and easy to use DC-DC switching controller. Its voltage-mode and current-mode control, as well as its numerous protection and diagnostics features, ensures optimal operation as well as reliability and safety. It is suited to a wide array of applications, making it a great choice for power supply designs.

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