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| Part Number | LM2687MM | LM2687MMX | LM2682MM |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor |
| Product Status | Obsolete | Obsolete | Active |
| Function | Step-Down | Step-Down | Ratiometric |
| Output Configuration | Negative | Negative | Negative |
| Topology | Charge Pump | Charge Pump | Charge Pump |
| Output Type | Adjustable | Adjustable | Fixed |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.7V | 2.7V | 2V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | -1.5V | -1.5V | -Vin, 2Vin |
| Voltage - Output (Max) | -5.2V | -5.2V | - |
| Current - Output | 10mA | 10mA | 10mA |
| Frequency - Switching | 110kHz | 110kHz | 6kHz |
| Synchronous Rectifier | No | No | No |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP | 8-VSSOP | 8-VSSOP |
