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XC6219B332MR
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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+45@@ -0,0 +1,45 @@+# XC6219B332MR++**UMW Youtai Semiconductor Co Ltd** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++XC6219B332MR from UMW Youtai Semiconductor Co Ltd, in a SOT-23-5. Pinout and pin descriptions extracted from the datasheet (via LCSC) by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VIN | power_in | Regulator input supply. Operating range 1.8V to 7V (absolute max 9V). Bypass to VSS with a 10µF ceramic capacitor (Ci). |+| 2 | VSS | power_in | Ground / negative supply reference for the regulator. |+| 3 | CE | input | Chip enable (active high). VCEH ≥ 1.6V enables the regulator; VCEL ≤ 0.5V (e.g. tied to VSS) shuts it down (turn-off current typ 0.1µA). CE input current ≤0.5µA for VCE = 0V to VIN. Do not leave floating. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to a convenient net; not electrically bonded to the die. |+| 5 | VOUT | power_out | Regulated 3.3V output (±2.5%). Delivers up to 300mA typical with Vin=4.3V. Requires a 10µF ceramic output capacitor (Co) to VSS. Dropout ~35mV at 10mA, ~280mV at 100mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW Youtai Semiconductor Co Ltd |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `XC6219B332MRMR`+- `XC6219B332MRPR`++## CAD (KiCad official)++- Symbol: `XC6219B332MR`+- 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 Youtai Semiconductor Co Ltd datasheet](https://datasheet.lcsc.com/datasheet/pdf/5c8f56699c6c1043569b7f6f13fa5d7b.pdf) (9 pp, sha256 `b0229c0bd1c70b57`, 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/xc6219b332mr-datasheet.pdf)
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