# LM2991T/LF03 Texas Instruments | Integrated Circuits (ICs) | DigiKey Marketplace

**Manufacturer:** Texas Instruments  
**MPN:** `LM2991T/LF03`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Texas Instruments |
| Manufacturer name | Texas Instruments |
| Manufacturer | Texas Instruments |
| Extra Product Name | LM2991T/LF03 Texas Instruments \| Integrated Circuits (ICs) \| DigiKey Marketplace |
| atoms | 1 |
| extraShipping | 12.0 |
| moq | 1 |
| MPN | LM2991T/LF03 |
| multiple | 1 |
| packaging | Tube |
| qtyInStock | 0 |
| SKU | 13517189 |
| snippet | Linear Voltage Regulator IC Negative Adjustable 1 Output 1A TO-220-5 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierPrice1 | 3.96000 |
| tierPrice2 | 3.55200 |
| tierPrice3 | 3.35800 |
| tierPrice4 | 2.91030 |
| tierPrice5 | 2.76108 |
| tierPrice6 | 2.47752 |
| tierPrice7 | 2.25280 |
| Category | Integrated Circuits (ICs) |
| Mfr | Texas Instruments |
| Series | - |
| Product Status | Active |
| 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 | Through Hole |
| Package / Case | TO-220-5 Formed Leads |
| Supplier Device Package | TO-220-5 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 13517189 | 3.96 | 1 | None | 1 |
| Win Source | LM2991T/LF03 |  |  | 4995 | 1 |
| Hotenda | H2791959 | 3.05 | 1 | None | 1 |
| iodParts | LM2991T/LF03 |  |  | None | 1 |
| Digi-Key | 3640778 | 3.41 | 1 | 1043 | 1 |
| Newark | 65K6065 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/35000000/35233000/part_--LM2991TLF03---TexasInstruments--e871607521.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp