Single-Phase PWM Regulator for IMVP-6.5?Mobile CPUs and GPUs The ISL62881 is a power management IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features as provided in Ic-phoenix technical data files:
### **Specifications:**
- **Input Voltage Range:** 4.5V to 25V
- **Output Voltage Range:** Programmable from 0.6V to 5.5V
- **Output Current:** Up to 25A
- **Switching Frequency:** Adjustable from 200kHz to 1MHz
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 40-Lead QFN (6mm x 6mm)
### **Descriptions:**
- The ISL62881 is a high-efficiency, multi-phase synchronous buck PWM controller designed for voltage regulator modules (VRMs) and point-of-load (POL) applications.
- It supports 2-, 3-, 4-, 5-, or 6-phase operation with adaptive phase shedding for optimal efficiency across load conditions.
- The device integrates MOSFET drivers and provides precise voltage regulation with differential remote sensing.
### **Features:**
- **Multi-Phase Operation:** Supports 2 to 6 phases with automatic phase shedding.
- **Adaptive Voltage Positioning (AVP):** Enhances transient response.
- **Programmable Switching Frequency:** 200kHz to 1MHz for flexibility in design.
- **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.
- **Differential Remote Sensing:** Compensates for PCB trace resistance.
- **Overcurrent Protection (OCP):** Adjustable current limit.
- **Overvoltage Protection (OVP) & Undervoltage Lockout (UVLO):** Ensures safe operation.
- **Thermal Monitoring:** Includes a thermal warning flag.
- **Power Good Indicator:** Monitors output status.
This information is strictly based on the manufacturer's datasheet and technical documentation.
