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SGM2203-3.3YN3LG
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SGMICRO SGM2203 3 3YN3LG TR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# SGM2203-3.3YN3LG++**SGMICRO SGM2203 3 3YN3LG TR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3++SGM2203-3.3YN3LG from SGMICRO SGM2203 3 3YN3LG TR, 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 | Device ground reference. Connect to the system ground plane; ground pin current is typically 4.2 µA (no load). |+| 2 | VOUT | power_out | Regulator output pin, fixed at 3.3 V for this ordering option and capable of sourcing up to 150 mA. Place a 1 µF to 10 µF ceramic output capacitor as close to this pin as possible to ensure loop stability. |+| 3 | VIN | power_in | Regulator input pin, accepting 2.7 V to 36 V (32 V max for VOUT < 3.3 V options). Decouple with a ≥1 µF ceramic capacitor placed as close as possible to this pin for good PSRR. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | SGMICRO SGM2203 3 3YN3LG TR |+| Package | SOT-23-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `SGM2203-3.3YN3LG/TR`+- `SGM2203-3.3YN3LGSGM2203-3.3YK3G/TR`+- `SGM2203-3.3YN3LGSGM2203-3.3YK3LG/TR`+- `SGM2203-3.3YN3LGSGM2203-3.3YN5G/TR`+- `SGM2203-3.3YN3LGSGM2203-4.2YN5LG/TR`++## CAD (KiCad official)++- Symbol: `SGM2203-3.3YN3LG`+- 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:** [SGMICRO SGM2203 3 3YN3LG TR datasheet](docs/sgm2203-3-3yn3lg-datasheet.pdf) (13 pp, sha256 `c2690a10be88e3dc`, 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/sgm2203-3-3yn3lg-datasheet.pdf)
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