Texas Instruments
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3.3V output, 1A. Purpose-built 5V to 3.3V low-dropout regulator.
| Part number | LM3940-3.3 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Linear Regulators & LDOs |
| Package | TO-220-3 |
| Pins | 3 |
| Value | 3.3V |
| Voltage (max) | 3.3 V |
| Current | 1 A |
LM3940-3.3 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | GND | ground | Ground |
| 2 | OUT | power out | Regulated output |
| 3 | IN | power | Unregulated input |
Schematic symbol and footprint
Schematic symbol
Footprint: TO-220-3 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.