For Reference Only
| Part Number | LM2577SX-12/NOPB |
| Manufacturer | National Semiconductor |
| Category | Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators |
| Description | LM2577 SIMPLE SWITCHER 3.5V TO 4 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM2577SX-12/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 10 - Dec 14 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM2577SX-12/NOPB |
| Brand: | National Semiconductor |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | National Semiconductor |
| Product Status: | Active |
| Function: | - |
| Output Configuration: | - |
| Topology: | - |
| Output Type: | - |
| Number of Outputs: | - |
| Voltage - Input (Min): | - |
| Voltage - Input (Max): | - |
| Voltage - Output (Min/Fixed): | - |
| Voltage - Output (Max): | - |
| Current - Output: | - |
| Frequency - Switching: | - |
| Synchronous Rectifier: | - |
| Operating Temperature: | - |
| Mounting Type: | - |
| Package / Case: | - |
| Supplier Device Package: | - |
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| In Stock | 35336 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.19000 | $3.19 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.