Texas Instruments
No picture yet
One of the original 5V regulators, predating the 7805.
| Part number | LM309 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Linear Regulators & LDOs |
| Package | TO-220-3 |
| Pins | 3 |
| Value | 5V fixed |
| Voltage (max) | 5 V |
LM309 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | IN | power | Unregulated input |
| 2 | GND | ground | Ground |
| 3 | OUT | power out | Regulated 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.