Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications The **ISL6568CRZ-T** is a **PWM controller** manufactured by **INTERSIL (now part of Renesas Electronics)**. Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Intersil (now Renesas Electronics)
- **Part Number:** ISL6568CRZ-T
- **Package:** 48-Lead QFN (Quad Flat No-Lead)
- **Operating Voltage Range:** 4.5V to 5.5V
- **Output Voltage Range:** Adjustable (supports multi-phase regulation)
- **Switching Frequency:** Programmable (typically up to 1MHz per phase)
- **Number of Phases:** Supports 1-, 2-, 3-, or 4-phase operation
- **Current Sensing:** Precision differential current sensing
- **Protection Features:** Overvoltage, undervoltage, overcurrent, and thermal shutdown
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
- The **ISL6568CRZ-T** is a **multi-phase PWM controller** designed for **high-performance voltage regulation** in **CPU and GPU power supplies**.
- It provides **adaptive voltage positioning (AVP)** for improved transient response and efficiency.
- The controller supports **interleaved multi-phase operation**, reducing input/output ripple and improving thermal performance.
- It integrates **MOSFET drivers** and **current balancing** for accurate power delivery.
### **Features:**
1. **Multi-Phase PWM Control:** Supports 1- to 4-phase operation for scalable power delivery.
2. **Adaptive Voltage Positioning (AVP):** Enhances transient response and reduces output capacitance.
3. **Differential Current Sensing:** Ensures accurate load current measurement.
4. **Programmable Switching Frequency:** Adjustable up to 1MHz per phase.
5. **Dynamic Phase Management:** Optimizes efficiency across load conditions.
6. **Overvoltage/Undervoltage Protection (OVP/UVP):** Safeguards the system from voltage faults.
7. **Overcurrent Protection (OCP):** Prevents damage due to excessive current.
8. **Thermal Shutdown:** Protects against overheating.
9. **Lead-Free & RoHS Compliant:** Meets environmental standards.
This information is based on the manufacturer's datasheet and technical documentation. For exact application details, refer to the official datasheet.
