Description:The ISL6217A Multi-Phase Buck PWM controller IC, with integrated half bridge gate drivers, provides a precision voltage regulation system for advanced Pentium IV microprocessors in notebook computers. Two-phase operation eases the thermal management issues and load demand of Intel's latest high performance processors. This control IC also features both input voltage feed-forward and average current mode control for excellent dynamic response, Loss-less current sensing using MOSFET rDS(ON) and user-selectabl
The recommended PCB layout for the ISL6217ACVZ involves placing the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it is recommended to use a separate power plane for the input and output voltages to reduce noise and improve performance.
The selection of input and output capacitors for the ISL6217ACVZ depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, but it is recommended to consult with a capacitor manufacturer for specific recommendations.
The maximum ambient temperature range for the ISL6217ACVZ is -40°C to +85°C. However, the device can operate at a higher temperature range with derating. It is recommended to consult the datasheet for specific temperature derating information.
The ISL6217ACVZ has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to the input voltage. The device will shut down when the output current exceeds the overcurrent threshold. The overcurrent threshold can be adjusted by connecting a resistor between the OC pin and the input voltage. The datasheet provides more information on how to implement overcurrent protection.
Yes, the ISL6217ACVZ is suitable for high-reliability applications. The device is built with high-reliability components and has undergone rigorous testing to ensure its reliability. Additionally, Renesas Electronics Corporation provides a range of reliability data and testing reports to support the use of the ISL6217ACVZ in high-reliability applications.
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ISL6217ACVZ Overview
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