Multi-Phase PWM Controller The ISL6559CB is a high-performance PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** 5V to 12V (VCC)
- **Output Voltage Range:** Adjustable (depends on external components)
- **Switching Frequency:** Up to 1MHz
- **Number of Phases:** Supports multi-phase operation (typically 2 to 4 phases)
- **Duty Cycle Range:** 0% to 100%
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** 28-lead SOIC
### **Descriptions:**
- The ISL6559CB is a synchronous buck PWM controller designed for high-efficiency voltage regulation in power supplies.
- It provides precise voltage regulation for applications such as CPU power supplies, VRMs (Voltage Regulator Modules), and DC-DC converters.
- The controller supports multi-phase operation, enabling balanced current sharing and improved thermal performance.
### **Features:**
- **Precision Voltage Regulation:** Adjustable output with tight tolerance.
- **Multi-Phase Operation:** Supports 2 to 4 phases for high-current applications.
- **Programmable Switching Frequency:** Up to 1MHz for optimized efficiency.
- **Overcurrent Protection:** Monitors and protects against excessive current.
- **Overvoltage Protection (OVP):** Safeguards the load from voltage spikes.
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.
- **Power-Good Output:** Indicates stable output voltage.
- **Differential Remote Sensing:** Compensates for voltage drops in PCB traces.
This information is based on the manufacturer's datasheet and technical documentation. For detailed application notes, refer to the official datasheet from Renesas Electronics (formerly INTERSIL).
