HT7133H23

@@ -0,0 +1,49 @@+# HT7133H23++**HX hengjiaxing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3++HT7133H23 from HX hengjiaxing, in a SOT-23-3. 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 (0 V). Must be tied to the system single-point ground; also the return for the internal bandgap reference and error amplifier. |+| 2 | VIN | power_in | Unregulated supply input, absolute maximum +30 V (recommended operating -0.3 V to +30 V). Bypass with a 10 µF polarized capacitor placed close to the pin. |+| 3 | VOUT | power_out | Regulated 3.3 V output (±2%), 100 mA maximum. A ceramic output capacitor >=2.2 µF (10 µF recommended) is required from VOUT to GND for phase compensation via the cap's ESR. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HX hengjiaxing |+| Package | SOT-23-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `HT7133H23`+- `HT7133-H`+- `HT7133H23HX7133-H`+- `HT7133-92`+- `HT7133H23HX7133`++## CAD (KiCad official)++- Symbol: `HT7133H23`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HX hengjiaxing datasheet](docs/ht7133h23-datasheet.pdf) (8 pp, sha256 `9434b35fbd744a46`, 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/ht7133h23-datasheet.pdf)

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