| Part Number | IR21571 | IR21571S | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | PMIC - Lighting, Ballast Controllers | PMIC - Lighting, Ballast Controllers | 
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| Product Status | Obsolete | Obsolete | 
| Type | Ballast Controller | Ballast Controller | 
| Frequency | 45.5kHz ~ 50.5kHz | 45.5kHz ~ 50.5kHz | 
| Voltage - Supply | 10.5V ~ 16.5V | 10.5V ~ 16.5V | 
| Current - Supply | 5.5 mA | 5.5 mA | 
| Current - Output Source/Sink | - | - | 
| Dimming | No | No | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Through Hole | Surface Mount | 
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-DIP | 16-SOIC |