Texas Instruments
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Negative low-dropout regulator, 1A. Adjustable -2V to -25V.
| Part number | LM2991 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Linear Regulators & LDOs |
| Package | TO-220-3 |
| Pins | 3 |
| Value | Adjustable -2V to -25V |
| Voltage (max) | 25 V |
| Current | 1 A |
LM2991 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | ADJ | input | Adjust |
| 2 | IN | power | Negative unregulated input |
| 3 | OUT | power out | Regulated negative output |
Schematic symbol and footprint
Schematic symbol
Footprint: TO-220-3 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.