LM3311SQ/NOPB
IC REG BOOST ADJ 2A 24WQFNManufacturer: National Semiconductor
Categories: DC DC Switching Regulators
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The National Semiconductor LM3311SQ-NOPB is a versatile boost switching regulator designed for efficient DC-DC conversion. This device offers adjustable positive output voltages up to 20V, with a minimum fixed output of 1.263V. It features dual switching frequencies of 660kHz and 1.28MHz, allowing for optimized power delivery and component selection. The LM3311SQ-NOPB can deliver up to 2A of switch current, making it suitable for applications requiring higher power output. Its topology is a standard boost converter, and it does not incorporate a synchronous rectifier. This component is housed in a 24-WFQFN exposed pad package, designed for surface mounting. The operating temperature range is -40°C to 125°C (TJ). This regulator is commonly found in power supply systems, battery-powered devices, and portable electronics.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 24-WFQFN Exposed Pad |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Up |
| Current - Output | 2A (Switch) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 660kHz, 1.28MHz |
| Voltage - Input (Max) | 7V |
| Topology | Boost |
| Supplier Device Package | 24-WQFN (4x4) |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | 20V |
| Voltage - Input (Min) | 2.5V |
| Voltage - Output (Min/Fixed) | 1.263V |
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