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SE8550X2-HF
Public Made by Adomby adom
Seaward Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+47@@ -0,0 +1,47 @@+# SE8550X2-HF++**Seaward Elec** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23++SE8550X2-HF from Seaward Elec, in a SOT-23. 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 reference. Connect to system ground with a low-impedance path; place the 1 µF input decoupling capacitor close to VIN and GND. |+| 2 | VOUT | power_out | Regulated 5.0 V output (±2% for the '2' accuracy grade). Requires a ≥1 µF ceramic capacitor to GND for stability; 10 µF recommended for lower ripple. Output current ≥200 mA typical, with fold-back short-circuit protection (~450 mA limit). |+| 3 | VIN | power_in | Unregulated supply input. Operating range VOUT+1 V to 35 V (absolute max 40 V). Requires a 1 µF ceramic capacitor to GND placed close to the pin; note in-rush transients can push VIN spike ~50% above steady-state. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Seaward Elec |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `SE8550X2-HF`+- `SE8550X2-HFSE8550X1-HF`+- `SE8550X2-HFSE8550L2-HF`+- `SE8550X2-HFSE8550L1-HF`+- `SE8550X2-HFSE8550K2-HF`+- `SE8550X2-HFSE8550K1-HF`++## CAD (KiCad official)++- Symbol: `SE8550X2-HF`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Seaward Elec datasheet](docs/se8550x2-hf-datasheet.pdf) (10 pp, sha256 `0cbe3738392b321a`, retrieved 2026-08-17, tier: lcsc)+- **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/se8550x2-hf-datasheet.pdf)
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