The IR3536A is a multi-phase synchronous buck controller from International Rectifier (now Infineon). It's designed to provide high-efficiency and high-density power delivery for demanding applications such as servers, workstations, and high-performance computing systems.

Applications:

  
• Server motherboards
  
• Desktop computers
  
• Workstations
  
• Graphics cards
  
• Voltage regulator modules (VRMs)

Features:

  
• Multi-phase operation (up to 6 phases)
  
• Programmable output voltage
  
• Voltage positioning
  
• Overcurrent protection
  
• Overvoltage protection
  
• Overtemperature protection
  
• Remote sensing
  
• Phase shedding for improved light-load efficiency

Benefits:

  
• High efficiency across a wide load range
  
• Precise voltage regulation for demanding loads
  
• Robust protection features to prevent damage
  
• Flexibility in design with programmable parameters
  
• Improved transient response
  
• Reduced component count and board space

Additional Details:

The IR3536A utilizes a constant-frequency PWM modulation scheme to provide stable and efficient power conversion. It supports a wide input voltage range and offers adjustable switching frequency. The device incorporates advanced control algorithms to optimize transient response and minimize output voltage ripple. Its protection features ensure reliable operation under various fault conditions. The IR3536A is available in a compact package, making it suitable for space-constrained applications. It is often used in conjunction with MOSFETs and other power components to create a complete power supply solution. The IR3536A's programmability and robust performance make it a popular choice for high-performance computing and server applications.