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| Part Number | LM2578AMX | LM2578AM | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Not For New Designs | 
| Function | Step-Up, Step-Down | Step-Up, Step-Down | 
| Output Configuration | Positive or Negative | Positive or Negative | 
| Topology | Buck, Boost | Buck, Boost | 
| Output Type | - | - | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2V | 2V | 
| Voltage - Input (Max) | 40V | 40V | 
| Voltage - Output (Min/Fixed) | - | - | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 750mA (Switch) | 750mA (Switch) | 
| Frequency - Switching | 20kHz | 20kHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC |