1.4MHz Dual, 180 Out-of-Phase, Step-Down PWM and Single Linear Controller The ISL6441IRZ is a high-frequency, dual MOSFET driver 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:** ISL6441IRZ
- **Package:** 16-Lead QFN (Quad Flat No-Lead)
- **Operating Voltage Range:** 4.5V to 5.5V
- **Output Current (Peak):** 4A (sink and source)
- **Switching Frequency:** Up to 2MHz
- **Propagation Delay (Typical):** 25ns
- **Rise/Fall Time (Typical):** 10ns (with 1nF load)
- **Operating Temperature Range:** -40°C to +85°C
- **Input Logic Compatibility:** TTL/CMOS
### **Descriptions:**
The ISL6441IRZ is a dual MOSFET driver designed for high-frequency applications, such as synchronous buck converters. It provides high-speed switching with low propagation delays, making it suitable for power supply designs requiring precise gate drive control. The device features independent inputs for each driver, allowing flexible control of high-side and low-side MOSFETs.
### **Features:**
1. **Dual Independent Drivers:** Supports high-side and low-side MOSFET driving.
2. **High Peak Output Current:** 4A sink and source capability for fast switching.
3. **Wide Input Voltage Range:** 4.5V to 5.5V for compatibility with standard logic levels.
4. **Fast Switching Speeds:** Low propagation delay (25ns) and rise/fall times (10ns).
5. **TTL/CMOS Input Compatibility:** Works with standard logic levels.
6. **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.
7. **Small Footprint:** 16-Lead QFN package for space-constrained applications.
This information is based on the manufacturer's datasheet and technical documentation.
