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ISL6556BCB from I

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ISL6556BCB

Manufacturer: I

Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application

Partnumber Manufacturer Quantity Availability
ISL6556BCB I 722 In Stock

Description and Introduction

Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application 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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