MC78L12ABDR2G

@@ -0,0 +1,50 @@+# MC78L12ABDR2G++**onsemi** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++MC78L12ABDR2G from onsemi, in a SOIC-8. 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 | VOUT | power_out | Regulated +12 V output, 100 mA capability (min 11.4 V, typ 12.0 V, max 12.6 V). Recommended 0.1 µF ceramic capacitor to GND for transient response. |+| 2 | GND | power_in | Ground return. On this internally-modified SO-8 package, pins 2, 3, 6, 7 are electrically common to the die-attach flag for improved thermal dissipation. |+| 3 | GND | power_in | Ground return. Electrically common with pins 2, 6, 7 and die-attach flag for thermal enhancement. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to GND per board layout preference. |+| 5 | NC | unconnected | No internal connection. Leave floating or tie to GND per board layout preference. |+| 6 | GND | power_in | Ground return. Electrically common with pins 2, 3, 7 and die-attach flag for thermal enhancement. |+| 7 | GND | power_in | Ground return. Electrically common with pins 2, 3, 6 and die-attach flag for thermal enhancement. |+| 8 | VIN | power_in | Unregulated positive supply input. Operating range typically 14.5-27 V for the 12 V variant; absolute maximum 35 V. Requires 0.33 µF input capacitor if placed appreciable distance from supply filter. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `MC78L12ABDR2G`+- `MC78L12ABDR2GMC78L12ACDR2G`+- `MC78L12ABDR2GMC78L12ABPG`+- `MC78L12ABDR2GMC78L12ACPG`++## CAD (KiCad official)++- Symbol: `MC78L12ABDR2G`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc78l12ab-d.pdf) (19 pp, sha256 `6ff9a93de09c52e0`, 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/mc78l12abdr2g-datasheet.pdf)

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