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ISL6333ACRZ from INTERSIL

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ISL6333ACRZ

Manufacturer: INTERSIL

Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications

Partnumber Manufacturer Quantity Availability
ISL6333ACRZ INTERSIL 32 In Stock

Description and Introduction

Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications The **ISL6333ACRZ** is a dual-output PWM controller manufactured by **INTERSIL** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable (0.6V to 5.5V)  
- **Number of Outputs:** 2 (Dual PWM Controller)  
- **Switching Frequency:** 200kHz to 1MHz (adjustable)  
- **Phase Configuration:** 1, 2, or 3-phase operation per output  
- **Current Balancing:** Precision current sensing for multi-phase operation  
- **Efficiency Optimization:** Adaptive Phase Control (APC)  
- **Protection Features:** Overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), and thermal shutdown  
- **Package:** 40-lead QFN (6mm x 6mm)  

### **Descriptions:**
- Designed for high-performance **CPU/GPU power regulation** in computing applications.  
- Supports **DDR2/DDR3 memory power supplies** with tracking capability.  
- Features **adaptive voltage positioning (AVP)** for improved transient response.  
- Includes **digital soft-start/stop** for controlled power sequencing.  

### **Features:**
- **Dual Independent PWM Controllers** for flexible power management.  
- **Precision Voltage Regulation** (±0.5% accuracy over temperature).  
- **Dynamic Voltage Scaling (DVS)** for power efficiency.  
- **Programmable Switching Frequency** (200kHz–1MHz).  
- **Integrated MOSFET Drivers** (up to 3A gate drive).  
- **Differential Remote Sensing** for accurate voltage control.  
- **Power-Good Indicators** for each output.  

This controller is commonly used in **servers, workstations, and high-end motherboards** requiring precise power delivery.  

*(Note: Always refer to the official datasheet for detailed technical information.)*

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