Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller The ISL6552CB-T is a PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)
- **Part Number:** ISL6552CB-T
- **Type:** Multi-Phase PWM Controller
- **Input Voltage Range:** 4.5V to 12V
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)
- **Number of Phases:** Configurable (1 to 4 phases)
- **Switching Frequency:** Adjustable (100kHz to 1MHz)
- **Duty Cycle:** Up to 100%
- **Package:** 28-Lead SOIC (Small Outline Integrated Circuit)
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
The ISL6552CB-T is a high-performance, multi-phase PWM controller designed for voltage regulation in power supply applications, particularly for CPUs and GPUs. It supports adaptive voltage positioning (AVP) and provides precise voltage regulation with load-line control.
### **Features:**
- **Multi-Phase Operation:** Configurable for 1 to 4 phases.
- **Adaptive Voltage Positioning (AVP):** Improves transient response.
- **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.
- **Adjustable Switching Frequency:** 100kHz to 1MHz.
- **Overcurrent Protection (OCP):** Monitors and protects against excessive current.
- **Overvoltage Protection (OVP):** Safeguards against voltage spikes.
- **Programmable Soft-Start:** Reduces inrush current.
- **Differential Remote Sensing:** Ensures accurate voltage regulation.
- **Power-Good Output:** Indicates stable output voltage.
This information is based on the manufacturer's datasheet and technical documentation.
