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SGM2040-3.3YN5G
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SGMICRO SGM2040 3 3YN5G TR 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 @@+# SGM2040-3.3YN5G++**SGMICRO SGM2040 3 3YN5G TR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++SGM2040-3.3YN5G from SGMICRO SGM2040 3 3YN5G TR, 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 | IN | power_in | Input supply voltage pin. Operating range 1.7V to 7.5V (abs max 8V). Bypass with a 1µF (min 0.5µF) ceramic capacitor to GND placed as close as possible to the pin. |+| 2 | GND | power_in | Ground pin. Common return for input, output, and enable references. |+| 3 | EN | input | Enable pin. Drive high (VIH ≥ 1.4V) to turn the regulator on; drive low (VIL ≤ 0.4V) to shut it down. Has an internal pull-down current source; abs max -0.3V to 6V. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to GND. |+| 5 | OUT | power_out | Regulator output pin. Fixed 3.3V, up to 250mA. Requires a ceramic capacitor with effective capacitance 0.1µF to 10µF (0.22µF typ) to GND placed as close as possible to the pin for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | SGMICRO SGM2040 3 3YN5G TR |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `SGM2040-3.3YN5G/TR`+- `SGM2040-3.3YN5GSGM2040-3.3YUDH4G/TR`++## CAD (KiCad official)++- Symbol: `SGM2040-3.3YN5G`+- 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:** [SGMICRO SGM2040 3 3YN5G TR datasheet](docs/sgm2040-3-3yn5g-datasheet.pdf) (16 pp, sha256 `cabd1eb65e9bc149`, 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/sgm2040-3-3yn5g-datasheet.pdf)
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