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| Part Number | MIC2178-3.3BWM | MIC2178-3.3YWM | MIC2177-3.3BWM | 
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Obsolete | Active | Discontinued at Digi-Key | 
| Function | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | 
| Output Type | Fixed | Fixed | Fixed | 
| Number of Outputs | 1 | 1 | 1 | 
| Voltage - Input (Min) | 4.5V | 4.5V | 4.5V | 
| Voltage - Input (Max) | 16.5V | 16.5V | 16.5V | 
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V | 
| Voltage - Output (Max) | - | - | - | 
| Current - Output | 2.5A | 2.5A | 2.5A | 
| Frequency - Switching | 200kHz | 200kHz | 200kHz | 
| Synchronous Rectifier | No | No | No | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-SOIC | 20-SOIC | 20-SOIC |