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ISL6556BCRZ-T from INTERSIL

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ISL6556BCRZ-T

Manufacturer: INTERSIL

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

Partnumber Manufacturer Quantity Availability
ISL6556BCRZ-T,ISL6556BCRZT INTERSIL 2516 In Stock

Description and Introduction

Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application The ISL6556BCRZ-T is a multi-phase PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** INTERSIL (Renesas Electronics)  
- **Part Number:** ISL6556BCRZ-T  
- **Package:** 28-Lead QFN (5x5mm)  
- **Input Voltage Range:** 5V to 12V  
- **Output Voltage Range:** Adjustable (0.8V to 5.5V)  
- **Number of Phases:** 2, 3, or 4-phase configurable  
- **Switching Frequency:** Adjustable (100kHz to 1MHz per phase)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Balancing:** Precision multi-phase current sharing  
- **Protection Features:** Overvoltage, undervoltage, overcurrent, and thermal shutdown  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The ISL6556BCRZ-T is a high-performance PWM controller designed for multi-phase DC-DC buck converters. It provides precise voltage regulation and current balancing for high-current applications, such as CPU power supplies. The controller supports 2, 3, or 4-phase operation, enhancing efficiency and thermal performance.  

### **Features:**  
- **Multi-Phase Operation:** Supports 2, 3, or 4-phase configurations for scalable power delivery.  
- **Adaptive Voltage Positioning (AVP):** Optimizes transient response and reduces output capacitance.  
- **Programmable Switching Frequency:** Adjustable from 100kHz to 1MHz per phase.  
- **Precision Voltage Regulation:** ±0.8% system accuracy over temperature.  
- **Dynamic Phase Management:** Automatically adjusts active phases for efficiency optimization.  
- **Integrated MOSFET Drivers:** Supports both high-side and low-side drivers.  
- **Fault Protection:** Includes OVP, UVP, OCP, and thermal shutdown.  
- **Power-Good Output:** Monitors output voltage status.  

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

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