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ISL6554CB from INTERSIL

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15.991ms

ISL6554CB

Manufacturer: INTERSIL

Microprocessor CORE Voltage Regulator Using Multi-Phase Buck PWM Control Without Programmable Droop

Partnumber Manufacturer Quantity Availability
ISL6554CB INTERSIL 733 In Stock

Description and Introduction

Microprocessor CORE Voltage Regulator Using Multi-Phase Buck PWM Control Without Programmable Droop The ISL6554CB is a manufacturer part from **INTERSIL** (now part of Renesas Electronics).  

### **Specifications:**  
- **Function:** Multi-Phase PWM Controller for VRM and VRD applications.  
- **Input Voltage Range:** Supports 5V or 12V input.  
- **Output Voltage Range:** Adjustable from 0.8375V to 5.5V.  
- **Number of Phases:** Configurable for 2, 3, or 4-phase operation.  
- **Switching Frequency:** Adjustable from 50kHz to 1.5MHz per phase.  
- **Current Balancing:** Precision multi-phase current balancing.  
- **Protection Features:** Overvoltage (OVP), undervoltage (UVP), and overcurrent (OCP) protection.  
- **Package:** 20-lead SOIC (Small Outline Integrated Circuit).  

### **Descriptions and Features:**  
- Designed for high-performance **voltage regulator modules (VRMs)** and **voltage regulator down (VRD)** applications.  
- Supports **Intel VRM 9.x and VRD 10.x** specifications.  
- **Adaptive Voltage Positioning (AVP)** for improved transient response.  
- **Differential Remote Voltage Sensing** for accurate output regulation.  
- **Programmable Soft-Start** to control inrush current.  
- **Droop Compensation** for load-line regulation.  
- **Thermal Monitoring** capability.  

This controller is commonly used in **motherboard power delivery systems** for CPUs and other high-current applications.  

Would you like any additional details?

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