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HT7550S-1
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# HT7550S-1++**UMW** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++HT7550S-1 from UMW, in a SOT-23-5. 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. Connect to system ground; the tab of SOT-89 is tied to this pin and provides the thermal path. |+| 2 | VIN | power_in | Unregulated input supply. Accepts 6V to 30V for the 7550-1 variant (V_OUT + dropout min). Bypass with 10µF close to the pin per the application circuit. |+| 3 | VOUT | power_out | Regulated 5V output (±3%, 4.85-5.15V). Up to 100mA sink; requires a 10µF output capacitor for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `HT7550S-1S`++## CAD (KiCad official)++- Symbol: `HT7550S-1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UMW datasheet](docs/ht7550s-1-datasheet.pdf) (15 pp, sha256 `f3b47345b626e60d`, 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/ht7550s-1-datasheet.pdf)
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