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| Part Number | MIC4681BM | MIC4682BM | MIC4681YM | MIC4684BM | MIC4680BM |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Discontinued at Digi-Key | Obsolete | Active | Obsolete | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 4V | 4V | 4V | 4V | 4V |
| Voltage - Input (Max) | 30V | 34V | 30V | 30V | 34V |
| Voltage - Output (Min/Fixed) | 1.25V | 1.23V | 1.25V | 1.235V | 1.23V |
| Voltage - Output (Max) | 28.5V | 32.3V | 28.5V | 28.2V | 32.98V |
| Current - Output | 1A | 2A | 1A | 2A | 1.3A |
| Frequency - Switching | 200kHz | 200kHz | 200kHz | 200kHz | 200kHz |
| Synchronous Rectifier | No | No | No | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
