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L7809CV-DG
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# L7809CV-DG++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220++L7809CV-DG from STMicroelectronics, in a TO-220. 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 positive supply input (V_I). Recommended input range for a 9 V output part is roughly 11.5 V to 35 V (V_O + dropout, up to absolute-max 35 V). A 0.33 uF ceramic bypass capacitor to GND is recommended when the regulator is located far from the power supply filter. |+| 2 | GROUND | power_in | Common ground reference for both input and output. Also electrically connected to the mounting tab of the TO-220 package. |+| 3 | OUTPUT | power_out | Regulated +9 V output (V_O). Capable of delivering up to 1.5 A with adequate heatsinking. A 0.1 uF ceramic output capacitor is recommended for transient response. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-220 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `L7809CV-DG`+- `L7809CV-DGL7809CV`+- `L7809CV-DGL7809C`+- `L7809CV-DGL7809CP`+- `L7809CV-DGL7809CD2T-TR`++## CAD (KiCad official)++- Symbol: `L7809CV-DG`+- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`+- 3D model: TO-220 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/l7809cv-dg.pdf) (58 pp, sha256 `83f591a9457f6fe3`, 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/l7809cv-dg-datasheet.pdf)
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