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XC6220B331MR-G
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Torex Semicon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# XC6220B331MR-G++**Torex Semicon** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-25++XC6220B331MR-G from Torex Semicon, in a SOT-25. 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 | VIN | power_in | Power input. Operating range 1.6V-6.0V (absolute max VSS-0.3 to +6.5V). Bypass with a ceramic capacitor (typ. 1 µF) close to the pin. |+| 2 | VSS | power_in | Ground reference for the regulator. Common return for VIN, VOUT, and CE. |+| 3 | CE | input | Chip Enable (ON/OFF control). VCE ≤ 0.4V = OFF (stand-by), 1.2V ≤ VCE ≤ 6.0V = ON. Absolute max VSS-0.3 to +6.5V. Do not leave open on A/B series (undefined); C/D series has internal pull-down. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to VSS. |+| 5 | VOUT | power_out | Regulated output, factory-trimmed to 3.3V (0.8V-5.0V range in family). Output current up to 1000mA (limit ~1200mA typ). Requires a low-ESR ceramic output capacitor CL (typ. 1 µF; 22 µF for inrush spec). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Torex Semicon |+| Package | SOT-25 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `XC6220B331MR-GMR`+- `XC6220B331MR-GMR-G`+- `XC6220B331MR-GPR`+- `XC6220B331MR-GPR-G`+- `XC6220B331MR-GER`+- `XC6220B331MR-GER-G`+- `XC6220B331MR-GQR-G`++## CAD (KiCad official)++- Symbol: `XC6220B331MR-G`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-25 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Torex Semicon datasheet](docs/xc6220b331mr-g-datasheet.pdf) (31 pp, sha256 `36c8215b268fff0c`, 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/xc6220b331mr-g-datasheet.pdf)
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