Dual Mobile-Friendly PWM Controller with DDR Option The ISL6227CAZ is a dual synchronous buck PWM controller manufactured by Intersil (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** 5V to 24V
- **Output Voltage Range:** Adjustable down to 0.8V
- **Switching Frequency:** 300kHz to 1MHz (adjustable)
- **Number of Outputs:** Dual (two independent PWM controllers)
- **Driver Output Current:** 2A (peak)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-lead QFN (5mm x 5mm)
### **Descriptions:**
- The ISL6227CAZ is a high-performance dual synchronous buck PWM controller designed for powering high-current, low-voltage processors and ASICs.
- It integrates two independent controllers, each capable of driving N-channel MOSFETs in a synchronous rectified buck topology.
- The device supports adjustable switching frequency, allowing optimization for efficiency and component size.
- It includes features like overcurrent protection, overvoltage protection, and undervoltage lockout (UVLO).
### **Features:**
- **Dual PWM Controllers:** Independent control for two outputs.
- **Adjustable Switching Frequency:** 300kHz to 1MHz (set by resistor).
- **Precision Voltage Regulation:** ±1% accuracy over line, load, and temperature.
- **Integrated MOSFET Drivers:** 2A peak gate drive current.
- **Programmable Soft-Start:** Reduces inrush current.
- **Overcurrent Protection (OCP):** Uses MOSFET RDS(ON) sensing.
- **Overvoltage Protection (OVP):** Protects the load.
- **Undervoltage Lockout (UVLO):** Ensures proper operation.
- **Power-Good Output:** Monitors output status.
- **QFN Package:** Compact 28-lead 5mm x 5mm footprint.
This information is based on the manufacturer's datasheet and technical documentation.
