LM7805S2

@@ -0,0 +1,45 @@+# LM7805S2++**HGSEMI** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-2++LM7805S2 from HGSEMI, in a TO-263-2. 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 (VI). Recommended input range 7.5 V to 35 V for the 5 V variant; absolute maximum VIN = 35 V. Bypass with a 0.33 uF capacitor close to the pin. |+| 2 | GND | power_in | Ground / common reference. Also connects to the exposed tab of the TO-263-2 package. |+| 3 | OUT | power_out | Regulated +5.0 V output (4.80-5.20 V typical). Maximum output current IOM = 1.2 A. Bypass with a 0.1 uF capacitor (and optional 10 uF bulk) close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | TO-263-2 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LM7805S2S2/TR`+- `LM7805S2S/TR`+- `LM7805S2T`++## CAD (KiCad official)++- Symbol: `LM7805S2`+- Footprint: `Package_TO_SOT_SMD:TO-263-2`+- 3D model: TO-263-2 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/lm7805s2-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/lm7805s2-datasheet.pdf)

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