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L78M15ABDT-TR
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STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# L78M15ABDT-TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK++L78M15ABDT-TR from STMicroelectronics, in a DPAK. 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 | INPUT | power_in | Unregulated DC input voltage (V_I). Absolute maximum 35 V for 5-18 V output variants. Should be bypassed to GND with a 0.33 µF ceramic if the device is more than a few centimetres from the reservoir cap. |+| 2 | GND | power_in | Common ground reference for input and output. Electrically tied to the exposed thermal tab on DPAK, which also serves as the primary heat-transfer path to the PCB copper pour. |+| 3 | OUTPUT | power_out | Regulated +15 V output (typ), guaranteed 14.55-15.45 V (2 %, AB grade). Delivers up to 500 mA with adequate heat-sinking; internally current-limited (~230 mA short-circuit, typ). Bypass to GND with 0.1 µF ceramic. |+| TAB | GND | power_in | Exposed metal tab on the DPAK backside - same net as pin 2 (GND). Soldered to a copper pour that dissipates junction heat (R_thJC ≈ 8 °C/W, R_thJA ≈ 100 °C/W on standard footprint). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | DPAK |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `L78M15ABDT-TRDT-TR`+- `L78M15ABDT-TRDT`+- `L78M15ABDT-TRCV`+- `L78M15ABDT-TRACV`+- `L78M15ABDT-TRABV`+- `L78M15ABDT-TRCP`+- `L78M15ABDT-TRACP`+- `L78M15ABDT-TRABP`+- `L78M15ABDT-TRDT`+- `L78M15ABDT-TR-1`++## CAD (KiCad official)++- Symbol: `L78M15ABDT-TR`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: DPAK (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/l78m15abdt-tr.pdf) (45 pp, sha256 `aab13a77a9bc7601`, 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/l78m15abdt-tr-datasheet.pdf)
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