Multi-Phase PWM Controller with Precision rDS(ON) or DCR Current Sensing for VR10.X Application The ISL6565ACV 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 (now Renesas Electronics)
- **Part Number:** ISL6565ACV
- **Type:** Multi-Phase PWM Controller
- **Input Voltage Range:** 4.5V to 12V
- **Output Voltage Range:** Adjustable (supports VRM 9.x, VRM 10.x specifications)
- **Number of Phases:** 2, 3, or 4-phase configurable
- **Switching Frequency:** Adjustable (typically up to 1.5MHz per phase)
- **Duty Cycle Range:** 0% to 100%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-lead QFN (Quad Flat No-Lead)
### **Descriptions:**
- The ISL6565ACV is a high-performance PWM controller designed for multi-phase DC-DC converters, commonly used in CPU power supplies.
- It supports 2, 3, or 4-phase operation with integrated MOSFET drivers or external drivers.
- The controller features adaptive voltage positioning (AVP) to improve transient response and efficiency.
- It includes overvoltage, undervoltage, and overcurrent protection for system reliability.
### **Features:**
- **Multi-Phase Operation:** Supports 2, 3, or 4-phase power conversion for high-current applications.
- **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.
- **Adaptive Voltage Positioning (AVP):** Enhances transient response and reduces output capacitance.
- **Programmable Switching Frequency:** Adjustable up to 1.5MHz per phase.
- **Dynamic Phase Management:** Optimizes efficiency by enabling/disabling phases based on load.
- **Integrated MOSFET Drivers:** Supports both high-side and low-side drivers (or external drivers).
- **Protection Features:** Overvoltage (OVP), undervoltage (UVP), and overcurrent (OCP) protection.
- **Differential Remote Sensing:** Compensates for PCB trace resistance.
- **Power-Good Output:** Monitors output voltage status.
This information is strictly based on the manufacturer's datasheet and technical documentation.
