For Reference Only
| Part Number | LP3971SQE-B510/NOPB |
| Manufacturer | National Semiconductor |
| Category | Integrated Circuits (ICs) › Power Management - Specialized |
| Description | POWER SUPPLY CIRCUIT, ADJ |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LP3971SQE-B510/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
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| Shipping | ![]() |
| Part Number: | LP3971SQE-B510/NOPB |
| Brand: | National Semiconductor |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Power Management - Specialized |
| Manufacturer: | National Semiconductor |
| Product Status: | Obsolete |
| Applications: | Processor |
| Current - Supply: | 60µA |
| Voltage - Supply: | 2.7V ~ 5.5V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 40-WFQFN Exposed Pad |
| Supplier Device Package: | 40-WQFN (5x5) |
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| In Stock | 31955 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 | $3.63000 | $3.63 |
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
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