Smart secondary side driver IC designed to drive N-Channel MOSFETs used as synchronous rectifiers in isolated flyback converters. **Manufacturer:** IR (International Rectifier)  

**Part Number:** IR1167ASTRPBF  

**Specifications:**  
- **Type:** Smart Rectifier Driver IC  
- **Function:** Secondary-side synchronous rectification driver for flyback converters  
- **Voltage Rating:** Up to 200V  
- **Operating Frequency Range:** Up to 1MHz  
- **Supply Voltage (VCC):** 4.5V to 20V  
- **Quiescent Current:** Typically 0.6mA  
- **Propagation Delay:** 25ns (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-8  

**Descriptions and Features:**  
- Designed for high-efficiency synchronous rectification in flyback converters.  
- Fast turn-off propagation delay for improved efficiency.  
- Integrated high-voltage level shifter for driving N-channel MOSFETs.  
- Under-voltage lockout (UVLO) protection.  
- Low quiescent current for reduced power loss.  
- Compatible with DCM, CrCM, and CCM operation modes.  
- Pb-free and RoHS compliant.  

(Source: Manufacturer datasheet)

Smart secondary side driver IC designed to drive N-Channel MOSFETs used as synchronous rectifiers in isolated flyback converters.