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| Part Number | LM2621MMX/NOPB | LM2623MMX/NOPB | LM2661MMX/NOPB | LM2621MM/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Obsolete | Active |
| Function | Step-Up, Step-Up/Step-Down | Step-Up | Ratiometric | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive | Positive | Positive or Negative | Positive |
| Topology | Boost, SEPIC | Boost | Charge Pump | Boost, SEPIC |
| Output Type | Adjustable | Adjustable | Fixed | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 1.2V | 0.8V | 1.5V | 1.2V |
| Voltage - Input (Max) | 14V | 14V | 5.5V | 14V |
| Voltage - Output (Min/Fixed) | 1.24V | 1.24V | -Vin, 2Vin, Vin/2 | 1.24V |
| Voltage - Output (Max) | 14V | 14V | - | 14V |
| Current - Output | 2.85A (Switch) | 2.2A (Switch) | 100mA | 2.85A (Switch) |
| Frequency - Switching | 300kHz ~ 2MHz | 300kHz ~ 2MHz | 5kHz, 40kHz | 300kHz ~ 2MHz |
| Synchronous Rectifier | No | No | No | No |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | 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) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP | 8-VSSOP | 8-VSSOP | 8-VSSOP |
