Texas Instruments
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The 5A adjustable regulator. Same wiring as the LM317, more current and more heat.
| Part number | LM338 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Linear Regulators & LDOs |
| Package | TO-220-3 |
| Pins | 3 |
| Value | 1.2V to 32V |
| Voltage (max) | 32 V |
| Voltage (min) | 1.2 V |
| Current | 5 A |
LM338 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | ADJ | input | Adjust — sets the output through a divider |
| 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.