Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 0.6us Deadtime in a 8-pin DIP package and differenct phase The IR21531 is a high-voltage, high-speed power MOSFET and IGBT driver from International Rectifier (IRF).  

### **Specifications:**  
- **Output Configuration:** Half-Bridge  
- **Output Current (Source/Sink):** 210mA / 420mA  
- **Supply Voltage (VCC):** 10V to 20V  
- **Logic Input Voltage (VIN):** 5V to 15V  
- **High-Side Floating Supply Voltage (VB):** Up to 600V  
- **Operating Frequency:** Up to 1MHz  
- **Propagation Delay (Typical):** 120ns  
- **Rise/Fall Time (Typical):** 80ns / 40ns  
- **Deadtime (Typical):** 1.2µs  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin DIP or SOIC  

### **Descriptions and Features:**  
- **Self-Oscillating Half-Bridge Driver:** Includes an oscillator for PWM generation.  
- **Integrated Deadtime Control:** Prevents shoot-through in half-bridge configurations.  
- **High-Voltage Level Shifting:** Enables high-side gate drive up to 600V.  
- **Under-Voltage Lockout (UVLO):** Protects against low supply voltage conditions.  
- **Matched Propagation Delays:** Ensures precise timing for high-frequency operation.  
- **Low Power Consumption:** Optimized for efficiency in power conversion applications.  

This driver is commonly used in applications such as switch-mode power supplies (SMPS), motor drives, and electronic ballasts.

Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 0.6us Deadtime in a 8-pin DIP package and differenct phase