# LM2991SX/NOPB Texas Instruments | Integrated Circuits (ICs) | DigiKey

**Manufacturer:** Texas Instruments  
**MPN:** `LM2991SX/NOPB`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Texas Instruments |
| Manufacturer name | Texas Instruments |
| Manufacturer | Texas Instruments |
| CategoryL1 | Integrated Circuits (ICs) |
| CategoryL2 | Power Management (PMIC) |
| CategoryL3 | Voltage Regulators - Linear |
| Extra Product Name | LM2991SX/NOPB Texas Instruments \| Integrated Circuits (ICs) \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | LM2991SX/NOPB |
| multiple | 1 |
| packaging | Cut Tape (CT) & Digi-Reel? |
| qtyInStock | 0 |
| SKU | 366996 |
| snippet | Linear Voltage Regulator IC Negative Adjustable 1 Output 1A DDPAK/TO-263-5 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierMinQty8 | 2,500 |
| tierMinQty9 | 5,000 |
| tierPrice1 | 3.41000 |
| tierPrice2 | 3.06700 |
| tierPrice3 | 2.89920 |
| tierPrice4 | 2.51270 |
| tierPrice5 | 2.38384 |
| tierPrice6 | 2.13900 |
| tierPrice7 | 1.80398 |
| tierPrice8 | 1.71378 |
| tierPrice9 | 1.64936 |
| Digi-Key Part Number | LM2991SX/NOPBTR-ND - Tape & Reel (TR) |
| Manufacturer Product Number | LM2991SX/NOPB |
| Description | IC REG LIN NEG ADJ 1A DDPAK |
| Manufacturer Standard Lead Time | 12 Weeks |
| Detailed Description | Linear Voltage Regulator IC Negative Adjustable 1 Output 1A DDPAK/TO-263-5 |
| Category | Integrated Circuits (ICs) |
| Mfr | Texas Instruments |
| Series | - |
| Package | Tape & Reel (TR) |
| 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 | Surface Mount |
| Package / Case | TO-263-6, D?Pak (5 Leads + Tab), TO-263BA |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 366996 | 3.41 | 1 | None | 1 |
| Newark | 31AH1982 | 4.7 | 1 | 54 | 1 |
| iodParts | LM2991SX/NOPB |  |  | None | 1 |
| Win Source | LM2991SX/NOPB |  |  | 1084 | 1 |
| Hotenda | H2783907 | 1.91232 | 1 | None | 500 |
| AmazonSC | B011NE2MNY |  |  | None | 1 |
| Digi-Key | 2139029 | 3.96 | 1 | None | 1 |
| Digi-Key | 2139033 | 3.96 | 1 | None | 1 |
| RS Delivers | 208-8562 | 2.861 | 1 | None | 1 |
| jotrin.com | JT24-LM2991SX/NOPB |  |  | None | 1 |
| Newark | 28X3473 |  |  | None | 1 |
| 4 Star Electronics | LM2991SXNOPB |  |  | None | 1 |

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