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ISL6556BCB Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ISL6556BCBINTERSIL1181Yes

ISL6556BCB is a multi-phase PWM controller designed for precision regulation of microprocessor core voltages.

The ISL6556BCB is a multi-phase PWM controller designed for precision regulation of microprocessor core voltages. Here are its key specifications, descriptions, and features:

Manufacturer:

  • Intersil (now part of Renesas Electronics Corporation)

Key Specifications:

  • Input Voltage Range: 5V to 12V
  • Output Voltage Range: Adjustable down to 0.8V
  • Number of Phases: Supports 2, 3, 4, 5, or 6-phase operation
  • Switching Frequency: Adjustable from 50kHz to 1MHz per phase
  • Duty Cycle Range: 0% to 100%
  • Current Balancing: Active current balancing between phases
  • Voltage Positioning: Supports adaptive voltage positioning (AVP)
  • Protection Features: Overvoltage, undervoltage, and overcurrent protection

Descriptions:

  • Designed for high-performance VRM (Voltage Regulator Module) applications
  • Optimized for Intel and AMD microprocessor power delivery
  • Uses a multi-phase buck converter topology for high efficiency
  • Includes differential remote voltage sensing for accurate regulation

Key Features:

  • Precision Core Voltage Regulation: ±1% system accuracy over load, line, and temperature
  • Dynamic VID (DVID) Support: Adjusts output voltage on-the-fly
  • Programmable Soft-Start: Prevents inrush current
  • Integrated MOSFET Drivers: Supports both high-side and low-side drivers
  • Digital Soft-Start and Soft-Stop: Reduces voltage overshoot
  • Power-Good Output: Indicates stable output voltage
  • Thermal Monitoring: Optional external temperature sensing

This information is based on the manufacturer's datasheet and technical documentation.

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