Professional IC Distribution & Technical Solutions

The ISL6556BCR-T is a synchronous buck PWM controller manufactured by Intersil (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Intersil (Renesas Electronics)
• Type: Synchronous Buck PWM Controller
• Input Voltage Range: 5V to 12V
• Output Voltage Range: Adjustable (depends on external components)
• Switching Frequency: Up to 1MHz
• Output Current: Supports high current with external MOSFETs
• Control Method: Voltage Mode PWM
• Operating Temperature Range: -40°C to +85°C
• Package: 28-Lead QFN (Quad Flat No-Lead)

Descriptions:

The ISL6556BCR-T is designed for high-efficiency DC-DC conversion in applications such as VRM (Voltage Regulator Module) and point-of-load power supplies. It integrates a high-performance PWM controller with driver circuitry to control external N-channel MOSFETs, enabling precise voltage regulation.

Features:

• Precision Voltage Regulation: ±1% accuracy over line, load, and temperature variations.
• Adaptive Voltage Positioning (AVP): Optimizes transient response.
• Programmable Soft-Start: Reduces inrush current.
• Overcurrent Protection (OCP): Prevents damage during fault conditions.
• Overvoltage Protection (OVP): Safeguards downstream components.
• Power-Good Output: Monitors output voltage status.
• High-Efficiency Operation: Supports synchronous rectification.
• Adjustable Switching Frequency: Up to 1MHz for optimized performance.

This controller is commonly used in servers, workstations, and high-performance computing systems requiring stable and efficient power delivery.

(Note: For detailed application circuits and design considerations, refer to the official datasheet.)