XPHASE VR 10.0 Control IC. A full featured and flexible way to implement a complete VR 10.0 power solution. The IR3081AM is a power management IC (PMIC) manufactured by **Infineon Technologies (formerly International Rectifier, IR)**. Below are the key specifications, descriptions, and features based on available knowledge:
### **Specifications:**
- **Manufacturer:** Infineon Technologies (IR)
- **Function:** Multi-Phase PWM Controller
- **Input Voltage Range:** Typically supports **4.5V to 25V** (exact range may vary)
- **Output Voltage Range:** Adjustable (depends on external components)
- **Switching Frequency:** Configurable (typically **200kHz to 1MHz**)
- **Number of Phases:** Supports **1 to 8 phases** (configurable for multi-phase operation)
- **Package Type:** Typically **QFN (Quad Flat No-Lead)** or similar surface-mount package
- **Operating Temperature Range:** **-40°C to +85°C** (industrial-grade)
### **Descriptions:**
- The **IR3081AM** is a **digital multi-phase buck PWM controller** designed for high-current voltage regulator applications, such as **CPUs, GPUs, and ASICs**.
- It integrates **adaptive voltage positioning (AVP)** and **dynamic phase control** for optimized efficiency.
- Supports **I²C/SMBus interface** for programmability and monitoring.
### **Features:**
- **Digital Control:** Enables precise voltage regulation and telemetry.
- **Multi-Phase Operation:** Scalable from **1 to 8 phases** for high-current applications.
- **Adaptive Voltage Positioning (AVP):** Reduces output capacitance requirements.
- **Dynamic Phase Shedding:** Improves efficiency at light loads.
- **Programmable Switching Frequency:** Adjustable via external resistors or digital interface.
- **Fault Protection:** Includes **over-voltage (OVP), under-voltage (UVP), over-current (OCP), and thermal shutdown**.
- **Synchronous Rectification:** Supports external MOSFET drivers.
For exact datasheet details, refer to **Infineon’s official documentation** (part number may vary slightly based on revisions).
