Multi-Phase PWM Controller with Precision rDS(ON) or DCR Current Sensing for VR10.X Application The **ISL6565BCV** is a multi-phase 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:** Supports **+5V** and **+12V** power rails.
- **Output Voltage Range:** Adjustable from **0.8V to 5.5V**.
- **Number of Phases:** Configurable for **2, 3, or 4-phase** operation.
- **Switching Frequency:** Adjustable from **50kHz to 1MHz** per phase.
- **Current Sensing:** Uses **DCR (Inductor DCR) or resistor-based** current sensing.
- **Differential Remote Voltage Sensing:** Yes.
- **Operating Temperature Range:** **-40°C to +85°C**.
- **Package:** **48-Lead QFN (Quad Flat No-Lead)**.
### **Descriptions:**
- Designed for **high-performance VRM (Voltage Regulator Module)** applications.
- Optimized for **Intel® and AMD® multi-core processors**.
- Supports **adaptive phase shedding** for improved efficiency.
- Includes **overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage protection (UVP)**.
- Features **dynamic VID (Voltage Identification) technology** for rapid voltage transitions.
### **Features:**
1. **Multi-Phase PWM Control:** Configurable for 2, 3, or 4-phase operation.
2. **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.
3. **Adaptive Phase Shedding:** Enhances efficiency at light loads.
4. **Programmable Switching Frequency:** Adjustable from 50kHz to 1MHz.
5. **Differential Remote Voltage Sensing:** Compensates for PCB trace resistance.
6. **Current Balancing:** Ensures equal current sharing among phases.
7. **Dynamic VID Technology:** Supports Intel® IMVP-6.5 and AMD® SVI specifications.
8. **Protection Features:** OCP, OVP, UVP, and thermal monitoring.
9. **Power Good Indicator:** Monitors output voltage status.
This controller is commonly used in **high-current DC-DC converters for CPUs, GPUs, and server applications**.
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