| Part Number | IR2156S | IR2166S | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | PMIC - Lighting, Ballast Controllers | PMIC - Lighting, Ballast Controllers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Ballast Controller | PFC/Ballast Controller | 
| Frequency | 36kHz ~ 44kHz | 39kHz ~ 50kHz | 
| Voltage - Supply | 10.5V ~ 16.5V | 10V ~ 17V | 
| Current - Supply | 10 mA | 10 mA | 
| Current - Output Source/Sink | - | - | 
| Dimming | No | No | 
| Operating Temperature | -25°C ~ 125°C | -25°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 14-SOIC | 16-SOIC |