Dual Mobile-Friendly PWM Controller with DDR Option The ISL6227CA is a high-performance dual synchronous buck PWM controller designed by Intersil (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Manufacturer:**
- Intersil (now Renesas Electronics)
### **Specifications:**
- **Input Voltage Range:** 5V to 24V
- **Output Voltage Range:** Adjustable down to 0.8V
- **Switching Frequency:** 300kHz to 1MHz (adjustable)
- **Dual Output Channels:** Two independent synchronous buck controllers
- **Output Current:** Supports high-current applications (external MOSFETs required)
- **Efficiency:** High efficiency due to synchronous rectification
- **Protection Features:**
- Overvoltage protection (OVP)
- Undervoltage lockout (UVLO)
- Overcurrent protection (OCP)
- Thermal shutdown
### **Descriptions:**
- The ISL6227CA is a versatile dual PWM controller optimized for high-efficiency DC-DC conversion in applications such as servers, desktops, and networking equipment.
- It supports adjustable output voltages and switching frequencies, making it suitable for various power supply designs.
- The controller requires external MOSFETs, inductors, and capacitors to form a complete buck regulator.
### **Features:**
- **Dual Independent PWM Controllers:** Allows two separate regulated outputs.
- **Adjustable Switching Frequency:** 300kHz to 1MHz for flexibility in design.
- **Precision Voltage Reference:** ±1% accuracy over temperature.
- **Integrated Gate Drivers:** Supports N-channel MOSFETs for synchronous rectification.
- **Soft-Start Function:** Prevents inrush current during startup.
- **Power-Good Output:** Monitors output voltage status.
- **Synchronization Capability:** Can sync to an external clock.
This information is based on the manufacturer's datasheet and technical documentation. For detailed application notes or design considerations, refer to the official ISL6227CA datasheet from Renesas Electronics.
