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| Part Number | MC34063ACD | MC34063AD | MC34063ACN | MC34063ECD | MC34063ABD |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Fairchild Semiconductor | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Function | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down |
| Output Configuration | Positive or Negative | Positive or Negative | Positive or Negative | Positive or Negative | Positive or Negative |
| Topology | Buck, Boost | Buck, Boost | Buck, Boost | Buck, Boost | Buck, Boost |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 3V | 3V | 3V | 3V | 3V |
| Voltage - Input (Max) | 40V | 40V | 40V | 40V | 40V |
| Voltage - Output (Min/Fixed) | 1.25V | 1.25V | 1.25V | 1.25V | 1.25V |
| Voltage - Output (Max) | 38V | 40V (Switch) | 38V | 38V | 38V |
| Current - Output | 1.5A (Switch) | 1.5A (Switch) | 1.5A (Switch) | 1.5A (Switch) | 1.5A (Switch) |
| Frequency - Switching | 33kHz | 100kHz | 33kHz | 33kHz | 33kHz |
| Synchronous Rectifier | No | No | No | No | No |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-DIP | 8-SOIC | 8-SOIC |
