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| Part Number | MC34063ADX | MC33063ADX | MC34063AD | MC34063ADG | MC34063ADR |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete | Active | Active |
| Function | 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 |
| Topology | Buck, Boost | - | Buck, Boost | Buck, Boost | Buck, Boost |
| Output Type | Adjustable | - | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | - | 1 | 1 | 1 |
| Voltage - Input (Min) | 3V | - | 3V | 3V | 3V |
| Voltage - Input (Max) | 40V | - | 40V | 40V | 40V |
| Voltage - Output (Min/Fixed) | 1.24V | - | 1.25V | 1.25V | 1.25V |
| Voltage - Output (Max) | 40V (Switch) | - | 40V (Switch) | 40V (Switch) | 40V (Switch) |
| Current - Output | 1.5A (Switch) | - | 1.5A (Switch) | 1.5A (Switch) | 1.5A (Switch) |
| Frequency - Switching | 100Hz ~ 100kHz | - | 100kHz | 100kHz | 100kHz |
| Synchronous Rectifier | 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) |
| Mounting Type | 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) |
| Supplier Device Package | 8-SOIC | - | 8-SOIC | 8-SOIC | 8-SOIC |
