The ISL6592DNZ is a highly integrated multi-phase PWM voltage regulator designed for advanced microprocessor core power supplies. It is specifically tailored to meet the demanding requirements of modern CPUs, providing precise voltage regulation and efficient power delivery. This controller utilizes Intersil's Robust Ripple Regulator (R3) modulation scheme, which enhances transient response and overall system stability.

Applications

• Desktop PC CPUs: Core voltage regulation for high-performance processors.
• Notebook PC CPUs: Power management for mobile processors.
• Server CPUs: High-current, multi-phase power supplies for server applications.
• Graphics Cards: Voltage regulation for GPUs.

Features

• Multi-Phase Operation: Enables high current delivery with reduced stress on individual components.
• R3 Modulation Scheme: Provides superior transient response and voltage accuracy.
• Programmable Switching Frequency: Allows optimization for efficiency and component size.
• Overcurrent Protection (OCP): Protects the power supply and load from damage due to excessive current.
• Overtemperature Protection (OTP): Prevents overheating and ensures system reliability.
• Adjustable Output Voltage: Provides flexibility in setting the desired output voltage.
• Remote Sense: Compensates for voltage drops across PCB traces for accurate regulation at the load.

Benefits

• Improved System Performance: Precise voltage regulation ensures optimal CPU performance.
• Enhanced Reliability: Protection features prevent damage and ensure long-term system stability.
• Increased Efficiency: Multi-phase operation and optimized switching frequency minimize power losses.
• Reduced Component Count: Integration of multiple functions reduces the number of external components required.
• Simplified Design: Integrated features and programmable parameters simplify power supply design.

Additional Details

The ISL6592DNZ supports adjustable output voltage via external resistors. The switching frequency can be programmed to optimize efficiency for a variety of applications. It also includes a power-good output signal that indicates whether the output voltage is within the specified range, enabling reliable system startup and operation. The device comes in a thermally enhanced package.