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| Part Number | LM3311SQ/NOPB | LM3311SQX/NOPB | LM3310SQ/NOPB |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Active |
| Function | Step-Up | Step-Up | Step-Up |
| Output Configuration | Positive | Positive | Positive |
| Topology | Boost | Boost | Boost |
| Output Type | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 2.5V | 2.5V |
| Voltage - Input (Max) | 7V | 7V | 7V |
| Voltage - Output (Min/Fixed) | 1.263V | 1.263V | 1.263V |
| Voltage - Output (Max) | 20V | 20V | 20V |
| Current - Output | 2A (Switch) | 2A (Switch) | 2A (Switch) |
| Frequency - Switching | 660kHz, 1.28MHz | 660kHz, 1.28MHz | 660kHz, 1.28MHz |
| 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 | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) |
