MC78M15BDTRKG

@@ -0,0 +1,50 @@+# MC78M15BDTRKG++**onsemi** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK-3++MC78M15BDTRKG from onsemi, in a DPAK-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VIN | power_in | Unregulated positive input voltage. For the 15 V regulator, operating input range is 17.5 V-30 V (max 35 V absolute). Bypass with a ~0.33 µF ceramic to ground close to the pin. |+| 2 | GND | power_in | Common ground reference for the regulator. The exposed heatsink tab (pin 4) is electrically connected to this pin. |+| 3 | VOUT | power_out | Regulated +15 V output, up to 500 mA with adequate heatsinking (350 mA typical test conditions). Recommend a ~0.1 µF output bypass capacitor for transient response. |+| 4 | GND (Tab) | power_in | Exposed metal heatsink tab on the DPAK-3 package. Electrically shorted to pin 2 (Ground). Solder to a copper pour for heat spreading; the pour is at ground potential. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | DPAK-3 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `MC78M15BDTRKGBDTRKG`+- `MC78M15BDTRKGCDTRKG`+- `MC78M15BDTRKGABDTRKG`+- `MC78M15BDTRKGACDTRKG`+- `MC78M15BDTRKGBTG`+- `MC78M15BDTRKGCTG`+- `MC78M15BDTRKGABTG`+- `MC78M15BDTRKGACTG`++## CAD (KiCad official)++- Symbol: `MC78M15BDTRKG`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: DPAK-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc78m15bdtrk-d.pdf) (14 pp, sha256 `6ff0b93f1bfb0373`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/mc78m15bdtrkg-datasheet.pdf)

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