MC79L05ACDR2G

@@ -0,0 +1,51 @@+# MC79L05ACDR2G++**onsemi** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++MC79L05ACDR2G 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 negative output voltage, nominally -5.0 V (-4.75 V to -5.25 V over line/load). Output current up to 100 mA (40 mA in SOIC-8 depending on thermal). A 0.1 uF output bypass capacitor is recommended for stability and transient response. |+| 2 | Vin | power_in | Unregulated negative input supply. Nominal operating range -7.0 V to -20 V for the -5 V version (absolute max -30 V). Pins 2, 3, 6, and 7 are all tied together internally as the input node; a 0.33 uF bypass capacitor to ground is recommended close to the pins. |+| 3 | Vin | power_in | Negative input supply (same net as pins 2, 6, 7). Multiple pins share the input node to reduce lead inductance and improve current handling on the SOIC-8 package. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to a convenient net for PCB routing; not required for operation. |+| 5 | GND | power_in | Common ground reference. Must be shared between input and output. Keep ground return short to avoid loop drops since the regulator has no external sense lead. |+| 6 | Vin | power_in | Negative input supply (same net as pins 2, 3, 7). Multiple Vin pins spread current and thermal load across the SOIC-8 leadframe. |+| 7 | Vin | power_in | Negative input supply (same net as pins 2, 3, 6). Ties into the internal input node of the regulator. |+| 8 | NC | unconnected | No internal connection. Not required for operation; may be left floating. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `MC79L05ACDR2GDR2G`+- `MC79L05ACDR2GDG`+- `MC79L05ACDR2GZG`+- `MC79L05ACDR2GRLRAG`+- `MC79L05ACDR2GRLRPG`++## CAD (KiCad official)++- Symbol: `MC79L05ACDR2G`+- 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/mc79l05ac-d.pdf) (15 pp, sha256 `3b8ec4831b4ba3d5`, 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/mc79l05acdr2g-datasheet.pdf)

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