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LM1086S-3.3
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HGSEMI LM1086S 3 3 TR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# LM1086S-3.3++**HGSEMI LM1086S 3 3 TR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-3++LM1086S-3.3 from HGSEMI LM1086S 3 3 TR, in a TO-263-3. 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 | Ground reference for the regulator. On the fixed-output LM1086-3.3 variant this pin is the device ground return (labeled GND/ADJ in the datasheet; on the adjustable version the same pin becomes the ADJ feedback input). |+| 2 | VOUT | power_out | Regulated 3.3V output. Delivers up to 1.5A of load current. Requires a bypass capacitor (typically 22uF tantalum) at the output for stability. |+| 3 | VIN | power_in | Unregulated input supply. Recommended input voltage up to 15V (absolute maximum 20V). For the 3.3V variant, VIN must be at least ~4.75V for full-load regulation. A 10uF input bypass capacitor is recommended. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI LM1086S 3 3 TR |+| Package | TO-263-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LM1086S-3.3/TR`+- `LM1086S-3.3LM1086S-ADJ/TR`+- `LM1086S-3.3LM1086S-5.0/TR`+- `LM1086S-3.3LM1086T-3.3`+- `LM1086S-3.3LM1086T-ADJ`+- `LM1086S-3.3LM1086T-5.0`+- `LM1086S-3.3LM1086MDT-3.3/TR`+- `LM1086S-3.3LM1086MDT-ADJ/TR`+- `LM1086S-3.3LM1086MDT-5.0/TR`++## CAD (KiCad official)++- Symbol: `LM1086S-3.3`+- Footprint: `Package_TO_SOT_SMD:TO-263-2`+- 3D model: TO-263-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI LM1086S 3 3 TR datasheet](docs/lm1086s-3-3-datasheet.pdf) (10 pp, sha256 `dfb3a1beb0eaf5a6`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/lm1086s-3-3-datasheet.pdf)
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