ld1117dt12tr

@@ -0,0 +1,50 @@+# LD1117DT12TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK++LD1117DT12TR 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 | GND | power_in | Device ground return. Sets the reference for the fixed 1.2 V output; for best load regulation, keep this return short and Kelvin-connected to the load ground. |+| 2 | VOUT | power_out | Regulated 1.2 V output (1.140-1.260 V over line/load, ±1% at 25 °C). Supplies up to 800 mA (typ. 950 mA current limit). Requires a 10 µF minimum output capacitor for loop stability; electrically tied to the DPAK TAB. |+| 3 | VIN | power_in | Unregulated DC input, 15 V absolute max (18 V max when IOUT < 20 mA). Must be at least VOUT + Vd (Vd ≈ 1.0 V typ., 1.2 V max at 800 mA). A 100 nF input decoupling capacitor is recommended near the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | DPAK |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LD1117DT12TR`+- `LD1117DT12TRLD1117DT12CTR`+- `LD1117DT12TRLD1117S12TR`+- `LD1117DT12TRLD1117S12CTR`+- `LD1117DT12TRLD1117V33`+- `LD1117DT12TRLD1117V50`+- `LD1117DT12TRLD1117V`+- `LD1117DT12TRLD1117D33TR`+- `LD1117DT12TRLD1117D33CTR`++## CAD (KiCad official)++- Symbol: `LD1117DT12TR`+- 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/ld1117dt12tr.pdf) (None pp, sha256 `1b80923ec6ca9161`, 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/ld1117dt12tr-datasheet.pdf)

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