Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications The ISL6322CRZ-T is a dual-output PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)
- **Part Number:** ISL6322CRZ-T
- **Package:** 32-Lead QFN (5x5mm)
- **Input Voltage Range:** 4.5V to 5.5V (VCC)
- **Output Voltage Range:** Adjustable (depends on external components)
- **Switching Frequency:** Adjustable (300kHz to 1MHz)
- **Number of Outputs:** Dual (2-phase PWM controller)
- **Operating Temperature Range:** -40°C to +85°C
- **Duty Cycle Range:** 0% to 100%
- **Efficiency:** High efficiency with adaptive dead-time control
### **Descriptions:**
- The ISL6322CRZ-T is a high-performance, dual-output PWM controller designed for voltage regulator modules (VRMs) and point-of-load (POL) applications.
- It supports two independent PWM outputs for synchronous buck converters, enabling precise voltage regulation.
- The device integrates MOSFET drivers and features adaptive dead-time control to improve efficiency.
- It is commonly used in servers, networking equipment, and industrial power systems.
### **Features:**
- **Dual PWM Outputs:** Supports two independent synchronous buck converters.
- **Adaptive Dead-Time Control:** Enhances efficiency by minimizing body diode conduction losses.
- **Programmable Switching Frequency:** Adjustable from 300kHz to 1MHz.
- **Precision Voltage Regulation:** ±1% reference voltage accuracy.
- **Overcurrent Protection (OCP):** Monitors and protects against excessive current.
- **Overvoltage Protection (OVP):** Safeguards the system from voltage spikes.
- **Power-Good Output:** Provides a signal indicating stable output voltage.
- **Soft-Start Function:** Reduces inrush current during startup.
- **Thermal Shutdown:** Protects the IC from overheating.
This information is based solely on the manufacturer's datasheet and technical documentation.
