The ISL95855IRTZ-T, manufactured by Renesas Electronics America, is a multi-phase PWM controller designed for notebook and desktop CPU power regulation. This controller provides high efficiency and precise voltage regulation, meeting the demanding requirements of modern processors.

Applications

• Notebook computers
• Desktop computers
• Server power supplies
• VR12/IMVP7 compliant power supplies
• Voltage regulation for CPUs and GPUs

Features

• Multi-phase operation: Supports multi-phase operation for high efficiency and low output ripple.
• VR12/IMVP7 compliance: Compliant with VR12 and IMVP7 specifications for CPU power regulation.
• Adjustable switching frequency: Offers adjustable switching frequency, allowing for optimization of performance and component size.
• Overcurrent protection: Includes overcurrent protection to prevent damage from excessive current draw.
• Overtemperature protection: Features overtemperature protection to protect the device from overheating.
• Remote voltage sensing: Incorporates remote voltage sensing to compensate for voltage drops across the PCB.
• Adaptive dead-time control: Provides adaptive dead-time control to minimize body diode conduction losses.

Benefits

• High efficiency: The multi-phase operation and adaptive dead-time control ensure high efficiency, reducing power consumption and heat generation.
• Precise voltage regulation: The remote voltage sensing provides precise voltage regulation, ensuring stable CPU performance.
• Improved system reliability: The overcurrent protection and overtemperature protection enhance system reliability.
• Compliance with industry standards: The VR12/IMVP7 compliance ensures compatibility with modern CPUs.

Additional Details

The ISL95855IRTZ-T is typically packaged in a small form factor, surface-mount package, making it suitable for high-density board designs. It requires external MOSFETs and passive components to complete the power converter circuit. This device is compliant with industry standards for CPU power regulation controllers. Its performance characteristics are typically specified in a datasheet, which provides detailed information on voltage range, current limits, and efficiency. The device is designed to provide reliable and stable power delivery to the CPU, even under varying load conditions. This part is specifically tailored for applications requiring high-performance CPU power regulation. Proper heat sinking may be required depending on the operating conditions and load current. The external components should be carefully selected to ensure optimal performance and stability.