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SGM2037-3.3XN5G
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SGMICRO SGM2037 3 3XN5G 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+47@@ -0,0 +1,47 @@+# SGM2037-3.3XN5G++**SGMICRO SGM2037 3 3XN5G TR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++SGM2037-3.3XN5G from SGMICRO SGM2037 3 3XN5G 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 voltage supply pin. Operating range 0.8V to 5.5V; must be at least VOUT(NOM)+VDROP_IN. Recommended input effective capacitance CIN >= 0.5 uF (1 uF typical). |+| 2 | GND | power_in | Device ground reference. Return path for input, bias, and output currents. |+| 3 | BIAS | power_in | Bias voltage supply for the internal control circuits. Operating range 2.5V to 5.5V and must satisfy (VOUT(NOM)+1.4) >= 2.5V. Monitored by the internal UVLO (VUVLO ~1.6V rising). Recommended bias effective capacitance CBIAS >= 0.1 uF. |+| 4 | EN | input | Active-high enable input. Drive EN high (VIH >= 1.2V) to turn on the regulator; drive low (VIL <= 0.25V) to disable. An internal pull-down (~580 kOhm) ensures the device is off when EN is floated. |+| 5 | OUT | power_out | Regulated 3.3V output pin (SGM2037-3.3 fixed variant). Delivers up to 500mA nominal with 120mV typical dropout at 500mA. Requires an output capacitor with effective capacitance of 1 uF to 10 uF (2.2 uF typical). Automatic discharge (~120 Ohm) pulls OUT down when EN=0. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | SGMICRO SGM2037 3 3XN5G TR |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `SGM2037-3.3XN5GXN5G/TR`+- `SGM2037-3.3XN5GADJXN6G/TR`+- `SGM2037-3.3XN5GXUDX6G/TR`+- `SGM2037-3.3XN5GADJXUDX6G/TR`++## CAD (KiCad official)++- Symbol: `SGM2037-3.3XN5G`+- 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 SGM2037 3 3XN5G TR datasheet](docs/sgm2037-3-3xn5g-datasheet.pdf) (18 pp, sha256 `2a5238ec70146888`, 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/sgm2037-3-3xn5g-datasheet.pdf)
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