LM7805S

@@ -0,0 +1,45 @@+# LM7805S++**HGSEMI** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-3++LM7805S from HGSEMI, 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 | VCC | power_in | Unregulated positive input supply. Absolute maximum VIN = 35 V; for +5 V output, recommended VI = 7.5 V to 35 V. A 0.33 uF ceramic bypass capacitor should be placed close to this pin to ground. |+| 2 | GND | power_in | Common ground reference for both input and output. On the TO-263 package this pin is electrically connected to the tab / thermal pad, which is also the primary heat-sink path. |+| 3 | OUT | power_out | Regulated +5.0 V output (4.80 V to 5.20 V at VI=10 V, Io=0.5 A). Capable of sourcing up to IOM = 1.2 A. A 0.1 uF ceramic (and optional 10 uF bulk) capacitor to ground is recommended for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | TO-263-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LM7805SS/TR`+- `LM7805ST`+- `LM7805SS2/TR`++## CAD (KiCad official)++- Symbol: `LM7805S`+- 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 datasheet](docs/lm7805s-datasheet.pdf) (11 pp, sha256 `7c51292380972d4a`, 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/lm7805s-datasheet.pdf)

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