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| Part Number | LM2611AMF | LM2611AMFX | LM2611BMF | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Not For New Designs | Obsolete | Obsolete | 
| Function | Step-Up/Step-Down | Step-Up/Step-Down | Step-Up/Step-Down | 
| Output Configuration | Negative | Negative | Negative | 
| Topology | Cuk | Cuk | Cuk | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 1 | 
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V | 
| Voltage - Input (Max) | 14V | 14V | 14V | 
| Voltage - Output (Min/Fixed) | -1.23V | -1.23V | -1.23V | 
| Voltage - Output (Max) | -22V | -22V | -22V | 
| Current - Output | 1.2A | 1.2A | 900mA | 
| Frequency - Switching | 1.4MHz | 1.4MHz | 1.4MHz | 
| 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 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | 
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 |