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| Part Number | LM2574M-3.3 | LM2574N-3.3 | LM2574MX-3.3 |
|---|---|---|---|
| Manufacturer | Texas Instruments | onsemi | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete |
| Function | Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive | Positive or Negative | Positive |
| Topology | Buck | Buck, Boost, Buck-Boost | Buck |
| Output Type | Fixed | Fixed | Fixed |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 4V | 4.75V | 4V |
| Voltage - Input (Max) | 40V | 40V | 40V |
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V |
| Voltage - Output (Max) | - | - | - |
| Current - Output | 500mA | 500mA | 500mA |
| Frequency - Switching | 52kHz | 52kHz | 52kHz |
| 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 | Through Hole | Surface Mount |
| Package / Case | 14-SOIC (0.295", 7.50mm Width) | 8-DIP (0.300", 7.62mm) | 14-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 14-SOIC | 8-PDIP | 14-SOIC |
