For Reference Only
| Part Number | LM2991S |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) › Voltage Regulators - Linear |
| Description | IC REG LIN NEG ADJ 1A DDPAK |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM2991S 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: | LM2991S |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - Linear |
| Manufacturer: | Texas Instruments |
| Product Status: | Not For New Designs |
| Output Configuration: | Negative |
| Output Type: | Adjustable |
| Number of Regulators: | 1 |
| Voltage - Input (Max): | -26V |
| Voltage - Output (Min/Fixed): | -3V |
| Voltage - Output (Max): | -24V |
| Voltage Dropout (Max): | 1V @ 1A |
| Current - Output: | 1A |
| Current - Quiescent (Iq): | 0.7 mA |
| Current - Supply (Max): | 5 mA |
| PSRR: | 60dB (1kHz) |
| Control Features: | Enable |
| Protection Features: | Over Temperature, Short Circuit |
| Operating Temperature: | -40°C ~ 125°C |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Supplier Device Package: | DDPAK/TO-263-5 |
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| In Stock | 16085 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 | $5.43000 | $5.43 |
| 10 | $4.87700 | $48.77 |
| 45 | $4.61022 | $207.4599 |
| 135 | $3.99556 | $539.4006 |
| 540 | $3.40133 | $1836.7182 |
| 1035 | $2.86860 | $2969.001 |
| 2520 | $2.72517 | $6867.4284 |
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.
